using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Configuration;
using System.Data.SqlClient;
using System.Collections;
using System.Data;
namespace DBUtility
{
///
/// 数据访问抽象基础类
/// Copyright (C) 2017
/// All rights reserved
///
public abstract class DbHelperSQL
{
//数据库连接字符串(web.config来配置)
public static string connectionString = ConfigurationManager.AppSettings[“DBConnectionString”];
#region 公用方法
public static int GetMaxID(string FieldName, string TableName)
{
string strsql = "select max(" + FieldName + ")+1 from " + TableName;
object obj = GetSingle(strsql);
if (obj == null)
{
return 1;
}
else
{
return int.Parse(obj.ToString());
}
}
public static int GetMaxID(string strsql)
{
object obj = GetSingle(strsql);
if (obj == null)
{
return 1;
}
else
{
return int.Parse(obj.ToString());
}
}
public static bool Exists(string strSql)
{
object obj = GetSingle(strSql);
int cmdresult;
if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
{
cmdresult = 0;
}
else
{
cmdresult = int.Parse(obj.ToString());
}
if (cmdresult == 0)
{
return false;
}
else
{
return true;
}
}
public static bool Exists(string strSql, params SqlParameter[] cmdParms)
{
object obj = GetSingle(strSql, cmdParms);
int cmdresult;
if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
{
cmdresult = 0;
}
else
{
cmdresult = int.Parse(obj.ToString());
}
if (cmdresult == 0)
{
return false;
}
else
{
return true;
}
}
public static bool Exists(out object selectfirst, string strSql, params SqlParameter[] cmdParms)
{
selectfirst = null;
object obj = GetSingle(strSql, cmdParms);
selectfirst = obj;
int cmdresult;
if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
{
cmdresult = 0;
}
else
{
cmdresult = int.Parse(obj.ToString());
}
if (cmdresult == 0)
{
return false;
}
else
{
return true;
}
}
#endregion
#region 执行简单SQL语句
/// <summary>
/// 执行SQL语句，返回影响的记录数
/// </summary>
/// <param name="SQLString">SQL语句</param>
/// <returns>影响的记录数</returns>
public static int ExecuteSql(string SQLString)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand cmd = new SqlCommand(SQLString, connection))
{
try
{
connection.Open();
int rows = cmd.ExecuteNonQuery();
return rows;
}
catch (System.Data.SqlClient.SqlException E)
{
connection.Close();
throw new Exception(E.Message);
}
finally
{
connection.Close();
}
}
}
}
/// <summary>
/// 执行SQL语句，设置命令的执行等待时间
/// </summary>
/// <param name="SQLString"></param>
/// <param name="Times"></param>
/// <returns></returns>
public static int ExecuteSqlByTime(string SQLString, int Times)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand cmd = new SqlCommand(SQLString, connection))
{
try
{
connection.Open();
cmd.CommandTimeout = Times;
int rows = cmd.ExecuteNonQuery();
return rows;
}
catch (System.Data.SqlClient.SqlException E)
{
connection.Close();
throw new Exception(E.Message);
}
finally
{
connection.Close();
}
}
}
}
/// <summary>
/// 执行多条SQL语句，实现数据库事务。
/// </summary>
/// <param name="SQLStringList">多条SQL语句</param>
public static bool ExecuteSqlTran(List<string> SQLStringList)
{
using (SqlConnection conn = new SqlConnection(connectionString))
{
int rows = 0;
conn.Open();
SqlCommand cmd = new SqlCommand();
cmd.Connection = conn;
SqlTransaction tx = conn.BeginTransaction();
cmd.Transaction = tx;
try
{
for (int n = 0; n < SQLStringList.Count; n++)
{
string strsql = SQLStringList[n].ToString();
if (strsql.Trim().Length > 1)
{
cmd.CommandText = strsql;
int r=cmd.ExecuteNonQuery();
if (r != null && r > 0)
{
rows = rows + r;
}
}
}
tx.Commit();
return true;
}
catch (System.Data.SqlClient.SqlException E)
{
tx.Rollback();
throw new Exception(E.Message);
}
finally
{
conn.Close();
}
}
}
/// <summary>
/// 执行带一个存储过程参数的的SQL语句。
/// </summary>
/// <param name="SQLString">SQL语句</param>
/// <param name="content">参数内容,比如一个字段是格式复杂的文章，有特殊符号，可以通过这个方式添加</param>
/// <returns>影响的记录数</returns>
public static int ExecuteSql(string SQLString, string content)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
SqlCommand cmd = new SqlCommand(SQLString, connection);
System.Data.SqlClient.SqlParameter myParameter = new System.Data.SqlClient.SqlParameter("@content", SqlDbType.NText);
myParameter.Value = content;
cmd.Parameters.Add(myParameter);
try
{
connection.Open();
int rows = cmd.ExecuteNonQuery();
return rows;
}
catch (System.Data.SqlClient.SqlException E)
{
throw new Exception(E.Message);
}
finally
{
cmd.Dispose();
connection.Close();
}
}
}
/// <summary>
/// 执行带一个存储过程参数的的SQL语句。
/// </summary>
/// <param name="SQLString">SQL语句</param>
/// <param name="content">参数内容,比如一个字段是格式复杂的文章，有特殊符号，可以通过这个方式添加</param>
/// <returns>影响的记录数</returns>
public static object ExecuteSqlGet(string SQLString, string content)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
SqlCommand cmd = new SqlCommand(SQLString, connection);
System.Data.SqlClient.SqlParameter myParameter = new System.Data.SqlClient.SqlParameter("@content", SqlDbType.NText);
myParameter.Value = content;
cmd.Parameters.Add(myParameter);
try
{
connection.Open();
object obj = cmd.ExecuteScalar();
if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
{
return null;
}
else
{
return obj;
}
}
catch (System.Data.SqlClient.SqlException E)
{
throw new Exception(E.Message);
}
finally
{
cmd.Dispose();
connection.Close();
}
}
}
/// <summary>
/// 向数据库里插入图像格式的字段(和上面情况类似的另一种实例)
/// </summary>
/// <param name="strSQL">SQL语句</param>
/// <param name="fs">图像字节,数据库的字段类型为image的情况</param>
/// <returns>影响的记录数</returns>
public static int ExecuteSqlInsertImg(string strSQL, byte[] fs)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
SqlCommand cmd = new SqlCommand(strSQL, connection);
System.Data.SqlClient.SqlParameter myParameter = new System.Data.SqlClient.SqlParameter("@fs", SqlDbType.Image);
myParameter.Value = fs;
cmd.Parameters.Add(myParameter);
try
{
connection.Open();
int rows = cmd.ExecuteNonQuery();
return rows;
}
catch (System.Data.SqlClient.SqlException E)
{
throw new Exception(E.Message);
}
finally
{
cmd.Dispose();
connection.Close();
}
}
}
/// <summary>
/// 执行一条计算查询结果语句，返回查询结果（object）。
/// </summary>
/// <param name="SQLString">计算查询结果语句</param>
/// <returns>查询结果（object）</returns>
public static object GetSingle(string SQLString)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand cmd = new SqlCommand(SQLString, connection))
{
try
{
connection.Open();
object obj = cmd.ExecuteScalar();
if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
{
return null;
}
else
{
return obj;
}
}
catch (System.Data.SqlClient.SqlException e)
{
connection.Close();
throw new Exception(e.Message);
}
finally
{
connection.Close();
}
}
}
}
/// <summary>
/// 执行查询语句，返回SqlDataReader(使用该方法切记要手工关闭SqlDataReader和连接)
/// </summary>
/// <param name="strSQL">查询语句</param>
/// <returns>SqlDataReader</returns>
public static SqlDataReader ExecuteReader(string strSQL)
{
SqlConnection connection = new SqlConnection(connectionString);
SqlCommand cmd = new SqlCommand(strSQL, connection);
try
{
connection.Open();
SqlDataReader myReader = cmd.ExecuteReader();
return myReader;
}
catch (System.Data.SqlClient.SqlException e)
{
throw new Exception(e.Message);
}
//finally //不能在此关闭，否则，返回的对象将无法使用
//{
// cmd.Dispose();
// connection.Close();
//}
}
/// <summary>
/// 执行查询语句，返回DataSet
/// </summary>
/// <param name="SQLString">查询语句</param>
/// <returns>DataSet</returns>
public static DataSet Query(string SQLString)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
DataSet ds = new DataSet();
try
{
connection.Open();
SqlDataAdapter command = new SqlDataAdapter(SQLString, connection);
command.Fill(ds, "ds");
}
catch (System.Data.SqlClient.SqlException ex)
{
throw new Exception(ex.Message);
}
finally
{
connection.Close();
}
return ds;
}
}
/// <summary>
/// 执行查询语句，返回DataSet,设置命令的执行等待时间
/// </summary>
/// <param name="SQLString"></param>
/// <param name="Times"></param>
/// <returns></returns>
public static DataSet Query(string SQLString, int Times)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
DataSet ds = new DataSet();
try
{
connection.Open();
SqlDataAdapter command = new SqlDataAdapter(SQLString, connection);
command.SelectCommand.CommandTimeout = Times;
command.Fill(ds, "ds");
}
catch (System.Data.SqlClient.SqlException ex)
{
throw new Exception(ex.Message);
}
finally
{
connection.Close();
}
return ds;
}
}
/// <summary>
/// 执行查询语句，返回DataTable
/// </summary>
/// <param name="SQLString"></param>
/// <returns></returns>
public static DataTable QueryTable(string SQLString)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
DataSet ds = new DataSet();
try
{
connection.Open();
SqlDataAdapter command = new SqlDataAdapter(SQLString, connection);
command.Fill(ds, "ds");
}
catch (System.Data.SqlClient.SqlException ex)
{
throw new Exception(ex.Message);
}
finally
{
connection.Close();
}
if (ds != null && ds.Tables.Count > 0)
{
return ds.Tables[0];
}
else
{
return null;
}
}
}
public static DataTable QueryTable(string SQLString, int Times)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
DataSet ds = new DataSet();
try
{
connection.Open();
SqlDataAdapter command = new SqlDataAdapter(SQLString, connection);
command.SelectCommand.CommandTimeout = Times;
command.Fill(ds, "ds");
}
catch (System.Data.SqlClient.SqlException ex)
{
throw new Exception(ex.Message);
}
finally
{
connection.Close();
}
if (ds != null && ds.Tables.Count > 0)
{
return ds.Tables[0];
}
else
{
return null;
}
}
}
#endregion
#region 执行带参数的SQL语句
/// <summary>
/// 执行SQL语句，返回影响的记录数
/// </summary>
/// <param name="SQLString">SQL语句</param>
/// <returns>影响的记录数</returns>
public static int ExecuteSql(string SQLString, params SqlParameter[] cmdParms)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand cmd = new SqlCommand())
{
try
{
PrepareCommand(cmd, connection, null, SQLString, cmdParms);
int rows = cmd.ExecuteNonQuery();
cmd.Parameters.Clear();
return rows;
}
catch (System.Data.SqlClient.SqlException E)
{
String ex = E.Number.ToString();
if (ex == "3102")
throw new Exception("数据库正在使用");
else
throw new Exception(E.Message);
}
finally
{
connection.Close();
}
}
}
}
/// <summary>
/// 执行多条SQL语句，实现数据库事务。
/// </summary>
/// <param name="SQLStringList">SQL语句的哈希表（key为sql语句，value是该语句的SqlParameter[]）</param>
public static void ExecuteSqlTran(Hashtable SQLStringList)
{
using (SqlConnection conn = new SqlConnection(connectionString))
{
conn.Open();
using (SqlTransaction trans = conn.BeginTransaction())
{
SqlCommand cmd = new SqlCommand();
try
{
//循环
foreach (DictionaryEntry myDE in SQLStringList)
{
string cmdText = myDE.Key.ToString();
SqlParameter[] cmdParms = (SqlParameter[])myDE.Value;
PrepareCommand(cmd, conn, trans, cmdText, cmdParms);
int val = cmd.ExecuteNonQuery();
cmd.Parameters.Clear();
}
trans.Commit();
}
catch
{
trans.Rollback();
throw;
}
finally
{
conn.Close();
}
}
}
}
//流程定义专用
/// <summary>
/// 执行多条SQL语句，不实现数据库事务。
/// </summary>
/// <param name="SQLStringList">多条SQL语句</param>
public static void ExecuteSqlNoTran(ArrayList SQLStringList)
{
using (SqlConnection conn = new SqlConnection(connectionString))
{
conn.Open();
SqlCommand cmd = new SqlCommand();
cmd.Connection = conn;
try
{
for (int n = 0; n < SQLStringList.Count; n++)
{
string strsql = SQLStringList[n].ToString();
if (strsql.Trim().Length > 1)
{
cmd.CommandText = strsql;
cmd.ExecuteNonQuery();
}
}
}
catch (System.Data.SqlClient.SqlException E)
{
throw new Exception(E.Message);
}
conn.Close();
}
}
public static void ExecuteSqlTranForFlow(ArrayList SQLStringList, ArrayList ValueStringList)
{
using (SqlConnection conn = new SqlConnection(connectionString))
{
conn.Open();
using (SqlTransaction trans = conn.BeginTransaction())
{
SqlCommand cmd = new SqlCommand();
try
{
//循环
for (int i = 0; i < SQLStringList.Count; i++)
{
string cmdText = SQLStringList[i].ToString();
SqlParameter[] cmdParms = (SqlParameter[])ValueStringList[i];
PrepareCommand(cmd, conn, trans, cmdText, cmdParms);
int val = cmd.ExecuteNonQuery();
cmd.Parameters.Clear();
}
trans.Commit();
}
catch
{
trans.Rollback();
throw;
}
finally
{
conn.Close();
}
}
}
}
/// <summary>
/// 执行一条计算查询结果语句，返回查询结果（object）。
/// </summary>
/// <param name="SQLString">计算查询结果语句</param>
/// <returns>查询结果（object）</returns>
public static object GetSingle(string SQLString, params SqlParameter[] cmdParms)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand cmd = new SqlCommand())
{
try
{
PrepareCommand(cmd, connection, null, SQLString, cmdParms);
object obj = cmd.ExecuteScalar();
cmd.Parameters.Clear();
if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
{
return null;
}
else
{
return obj;
}
}
catch (System.Data.SqlClient.SqlException e)
{
throw new Exception(e.Message);
}
finally
{
connection.Close();
}
}
}
}
/// <summary>
/// 执行一条插入，返回主键（int）。
/// </summary>
/// <param name="SQLString">计算查询结果语句</param>
/// <returns>查询结果（int）</returns>
public static int GetInsertID(string SQLString, params SqlParameter[] cmdParms)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
using (SqlCommand cmd = new SqlCommand())
{
try
{
PrepareCommand(cmd, connection, null, SQLString + ";SELECT @@IDENTITY AS 'Identity'", cmdParms);
object obj = cmd.ExecuteScalar();
cmd.Parameters.Clear();
return int.Parse(obj.ToString());
}
catch (System.Data.SqlClient.SqlException e)
{
throw e; //修改人：张维 2007-6-7 目的：直接抛出SQL异常
// throw new Exception(e.Message);
}
finally
{
connection.Close();
}
}
}
}
/// <summary>
/// 执行查询语句，返回SqlDataReader (使用该方法切记要手工关闭SqlDataReader和连接)
/// </summary>
/// <param name="strSQL">查询语句</param>
/// <returns>SqlDataReader</returns>
public static SqlDataReader ExecuteReader(string SQLString, params SqlParameter[] cmdParms)
{
SqlConnection connection = new SqlConnection(connectionString);
SqlCommand cmd = new SqlCommand();
try
{
PrepareCommand(cmd, connection, null, SQLString, cmdParms);
SqlDataReader myReader = cmd.ExecuteReader();
cmd.Parameters.Clear();
return myReader;
}
catch (System.Data.SqlClient.SqlException e)
{
throw new Exception(e.Message);
}
//finally //不能在此关闭，否则，返回的对象将无法使用
//{
// cmd.Dispose();
// connection.Close();
//}
}
/// <summary>
/// 读取二进制字段，返回SqlDataReader (使用该方法切记要手工关闭SqlDataReader和连接)
/// </summary>
/// <param name="strSQL">查询语句</param>
/// <returns>SqlDataReader</returns>
public static SqlDataReader ExecuteBlobReader(string SQLString, params SqlParameter[] cmdParms)
{
SqlConnection connection = new SqlConnection(connectionString);
SqlCommand cmd = new SqlCommand();
try
{
PrepareCommand(cmd, connection, null, SQLString, cmdParms);
SqlDataReader myReader = cmd.ExecuteReader(CommandBehavior.SequentialAccess);
cmd.Parameters.Clear();
return myReader;
}
catch (System.Data.SqlClient.SqlException e)
{
throw new Exception(e.Message);
}
//finally //不能在此关闭，否则，返回的对象将无法使用
//{
// cmd.Dispose();
// connection.Close();
//}
}
/// <summary>
/// 执行查询语句，返回DataSet
/// </summary>
/// <param name="SQLString">查询语句</param>
/// <returns>DataSet</returns>
public static DataSet Query(string SQLString, params SqlParameter[] cmdParms)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
SqlCommand cmd = new SqlCommand();
PrepareCommand(cmd, connection, null, SQLString, cmdParms);
cmd.CommandTimeout = 0;
using (SqlDataAdapter da = new SqlDataAdapter(cmd))
{
DataSet ds = new DataSet();
try
{
da.Fill(ds, "ds");
cmd.Parameters.Clear();
}
catch (System.Data.SqlClient.SqlException ex)
{
throw new Exception(ex.Message);
}
finally
{
connection.Close();
}
return ds;
}
}
}
private static void PrepareCommand(SqlCommand cmd, SqlConnection conn, SqlTransaction trans, string cmdText, SqlParameter[] cmdParms)
{
if (conn.State != ConnectionState.Open)
conn.Open();
cmd.Connection = conn;
cmd.CommandText = cmdText;
if (trans != null)
cmd.Transaction = trans;
cmd.CommandType = CommandType.Text;//cmdType;
if (cmdParms != null)
{
foreach (SqlParameter parameter in cmdParms)
{
if ((parameter.Direction == ParameterDirection.InputOutput || parameter.Direction == ParameterDirection.Input) &&
(parameter.Value == null))
{
parameter.Value = DBNull.Value;
}
cmd.Parameters.Add(parameter);
}
}
}
#endregion
#region 存储过程操作
/// <summary>
/// 执行存储过程 (使用该方法切记要手工关闭SqlDataReader和连接)
/// </summary>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <returns>SqlDataReader</returns>
public static SqlDataReader RunProcedure(string storedProcName, IDataParameter[] parameters)
{
SqlConnection connection = new SqlConnection(connectionString);
SqlDataReader returnReader;
connection.Open();
SqlCommand command = BuildQueryCommand(connection, storedProcName, parameters);
command.CommandType = CommandType.StoredProcedure;
command.CommandTimeout = 0;
returnReader = command.ExecuteReader();
//Connection.Close(); 不能在此关闭，否则，返回的对象将无法使用
return returnReader;
}
/// <summary>
/// 执行存储过程
/// </summary>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <param name="tableName">DataSet结果中的表名</param>
/// <returns>DataSet</returns>
public static DataSet RunProcedure(string storedProcName, IDataParameter[] parameters, string tableName)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
DataSet dataSet = new DataSet();
connection.Open();
SqlDataAdapter sqlDA = new SqlDataAdapter();
sqlDA.SelectCommand = BuildQueryCommand(connection, storedProcName, parameters);
sqlDA.Fill(dataSet, tableName);
connection.Close();
return dataSet;
}
}
public static DataSet RunProcedure(string storedProcName, IDataParameter[] parameters, string tableName, int Times)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
DataSet dataSet = new DataSet();
connection.Open();
SqlDataAdapter sqlDA = new SqlDataAdapter();
sqlDA.SelectCommand = BuildQueryCommand(connection, storedProcName, parameters);
sqlDA.SelectCommand.CommandTimeout = Times;
sqlDA.Fill(dataSet, tableName);
connection.Close();
return dataSet;
}
}
/// <summary>
/// 构建 SqlCommand 对象(用来返回一个结果集，而不是一个整数值)
/// </summary>
/// <param name="connection">数据库连接</param>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <returns>SqlCommand</returns>
private static SqlCommand BuildQueryCommand(SqlConnection connection, string storedProcName, IDataParameter[] parameters)
{
SqlCommand command = new SqlCommand(storedProcName, connection);
command.CommandType = CommandType.StoredProcedure;
foreach (SqlParameter parameter in parameters)
{
if (parameter != null)
{
// 检查未分配值的输出参数,将其分配以DBNull.Value.
if ((parameter.Direction == ParameterDirection.InputOutput || parameter.Direction == ParameterDirection.Input) &&
(parameter.Value == null))
{
parameter.Value = DBNull.Value;
}
command.Parameters.Add(parameter);
}
}
return command;
}
/// <summary>
/// 执行存储过程，返回影响的行数
/// </summary>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <param name="rowsAffected">影响的行数</param>
/// <returns></returns>
public static int RunProcedure(string storedProcName, IDataParameter[] parameters, out int rowsAffected)
{
using (SqlConnection connection = new SqlConnection(connectionString))
{
int result;
connection.Open();
SqlCommand command = BuildIntCommand(connection, storedProcName, parameters);
command.CommandTimeout = 0;
rowsAffected = command.ExecuteNonQuery();
result = (int)command.Parameters["ReturnValue"].Value;
//Connection.Close();
return result;
}
}
/// <summary>
/// 创建 SqlCommand 对象实例(用来返回一个整数值)
/// </summary>
/// <param name="storedProcName">存储过程名</param>
/// <param name="parameters">存储过程参数</param>
/// <returns>SqlCommand 对象实例</returns>
private static SqlCommand BuildIntCommand(SqlConnection connection, string storedProcName, IDataParameter[] parameters)
{
SqlCommand command = BuildQueryCommand(connection, storedProcName, parameters);
command.Parameters.Add(new SqlParameter("ReturnValue",
SqlDbType.Int, 4, ParameterDirection.ReturnValue,
false, 0, 0, string.Empty, DataRowVersion.Default, null));
return command;
}
#endregion
#region
/// <summary>
///功能 ： 根据参数生成编码号,支持事务
///参数 ： string tableName, string fieldName, SqlTransaction tran
///返回值： 生成的编码
/// </summary>
public static string getNumberByTableAndField(string tableName, string fieldName)
{
SqlConnection _con = new SqlConnection(connectionString);
SqlCommand cmd = new SqlCommand();
cmd.Connection = _con;
cmd.CommandText = "WD_getMB";
cmd.CommandType = CommandType.StoredProcedure;
SqlParameter param = new SqlParameter("@tableName", SqlDbType.VarChar, 100);
param.Direction = ParameterDirection.Input;
param.Value = tableName;
cmd.Parameters.Add(param);
param = new SqlParameter("@fieldName", SqlDbType.VarChar, 100);
param.Direction = ParameterDirection.Input;
param.Value = fieldName;
cmd.Parameters.Add(param);
param = new SqlParameter("@MB", SqlDbType.VarChar, 100);
param.Direction = ParameterDirection.Output;
//param.Value = tableName;
cmd.Parameters.Add(param);
try
{
_con.Open();
cmd.ExecuteNonQuery();
string numberStr = cmd.Parameters["@MB"].Value.ToString();
if (numberStr.IndexOf("error.") == 0)
throw new Exception(numberStr.Substring(6));
return numberStr;
}
catch (Exception err)
{
throw (err);
}
finally
{
_con.Close();
_con = null;
}
}
/// <summary>
/// 执行SQL语句，返回影响的记录数,支持事务
/// </summary>
/// <param name="SQLString">SQL语句</param>
/// <returns>影响的记录数</returns>
public static int ExecuteSqlByParam(string SQLString, System.Collections.ArrayList SqlParameters)
{
SqlConnection _con = new SqlConnection(connectionString);
using (SqlCommand cmd = new SqlCommand(SQLString, _con))
{
try
{
for (int i = 0; i < SqlParameters.Count; i++)
cmd.Parameters.Add(SqlParameters[i]);
_con.Open();
int rows = cmd.ExecuteNonQuery();
cmd.Parameters.Clear();
return rows;
}
catch (System.Data.SqlClient.SqlException E)
{
throw new Exception(E.Message);
}
finally
{
_con.Close();
_con = null;
}
}
//}
}
/// <summary>
/// 入库操作存储过程
/// </summary>
/// <param name="rkdid"></param>
/// <returns></returns>
public static string rk(int rkdid)
{
int nf = DateTime.Today.Year;
int yf = DateTime.Today.Month;
SqlConnection _con = new SqlConnection(connectionString);
SqlCommand cmd = new SqlCommand();
cmd.Connection = _con;
cmd.CommandText = "rkdjz";
cmd.CommandType = CommandType.StoredProcedure;
SqlParameter param = new SqlParameter("@rkdid", SqlDbType.Int);
param.Direction = ParameterDirection.Input;
param.Value = rkdid;
cmd.Parameters.Add(param);
param = new SqlParameter("@nf", SqlDbType.SmallInt);
param.Direction = ParameterDirection.Input;
param.Value = nf;
cmd.Parameters.Add(param);
param = new SqlParameter("@yf", SqlDbType.SmallInt);
param.Direction = ParameterDirection.Input;
param.Value = yf;
cmd.Parameters.Add(param);
param = new SqlParameter("@tag", SqlDbType.Int);
param.Direction = ParameterDirection.Output;
cmd.Parameters.Add(param);
param = new SqlParameter("@msg", SqlDbType.VarChar, 50);
param.Direction = ParameterDirection.Output;
cmd.Parameters.Add(param);
try
{
_con.Open();
cmd.ExecuteNonQuery();
string msg = cmd.Parameters["@msg"].Value.ToString();
string tag = cmd.Parameters["@tag"].Value.ToString();
string rnvalue = tag + ";" + msg;
return rnvalue;
}
catch (Exception err)
{
throw (err);
}
finally
{
_con.Close();
_con = null;
}
}
/// <summary>
/// 出库操作存储过程
/// </summary>
/// <param name="ckdid"></param>
/// <returns></returns>
public static string ck(int ckdid)
{
int nf = DateTime.Today.Year;
int yf = DateTime.Today.Month;
SqlConnection _con = new SqlConnection(connectionString);
SqlCommand cmd = new SqlCommand();
cmd.Connection = _con;
cmd.CommandText = "ckdjz";
cmd.CommandType = CommandType.StoredProcedure;
SqlParameter param = new SqlParameter("@ckdid", SqlDbType.Int);
param.Direction = ParameterDirection.Input;
param.Value = ckdid;
cmd.Parameters.Add(param);
param = new SqlParameter("@nf", SqlDbType.SmallInt);
param.Direction = ParameterDirection.Input;
param.Value = nf;
cmd.Parameters.Add(param);
param = new SqlParameter("@yf", SqlDbType.SmallInt);
param.Direction = ParameterDirection.Input;
param.Value = yf;
cmd.Parameters.Add(param);
param = new SqlParameter("@tag", SqlDbType.Int);
param.Direction = ParameterDirection.Output;
cmd.Parameters.Add(param);
param = new SqlParameter("@msg", SqlDbType.VarChar, 50);
param.Direction = ParameterDirection.Output;
cmd.Parameters.Add(param);
try
{
_con.Open();
cmd.ExecuteNonQuery();
string msg = cmd.Parameters["@msg"].Value.ToString();
string tag = cmd.Parameters["@tag"].Value.ToString();
string rnvalue = tag + ";" + msg;
return rnvalue;
}
catch (Exception err)
{
throw (err);
}
finally
{
_con.Close();
_con = null;
}
}
public static string getDBName()
{
SqlConnection Tmpcon = new SqlConnection(connectionString);
return Tmpcon.Database;
}
#endregion
private static SqlConnection _con = null;
private static SqlTransaction _tran = null;
public static string XSJS(int ckdid)
{
int nf = DateTime.Today.Year;
int yf = DateTime.Today.Month;
if (_con == null)
_con = new SqlConnection(connectionString);
SqlCommand cmd = new SqlCommand();
cmd.Connection = _con;
cmd.CommandText = "XSJS";
cmd.CommandType = CommandType.StoredProcedure;
cmd.Transaction = _tran;
SqlParameter param = new SqlParameter("@ckdid", SqlDbType.Int);
param.Direction = ParameterDirection.Input;
param.Value = ckdid;
cmd.Parameters.Add(param);
param = new SqlParameter("@nf", SqlDbType.SmallInt);
param.Direction = ParameterDirection.Input;
param.Value = nf;
cmd.Parameters.Add(param);
param = new SqlParameter("@yf", SqlDbType.SmallInt);
param.Direction = ParameterDirection.Input;
param.Value = yf;
cmd.Parameters.Add(param);
param = new SqlParameter("@tag", SqlDbType.Int);
param.Direction = ParameterDirection.Output;
cmd.Parameters.Add(param);
param = new SqlParameter("@msg", SqlDbType.VarChar, 50);
param.Direction = ParameterDirection.Output;
cmd.Parameters.Add(param);
try
{
if (_tran == null)
_con.Open();
cmd.ExecuteNonQuery();
string msg = cmd.Parameters["@msg"].Value.ToString();
string tag = cmd.Parameters["@tag"].Value.ToString();
string rnvalue = tag + ";" + msg;
return rnvalue;
}
catch (Exception err)
{
throw (err);
}
finally
{
if (_tran == null)
{
_con.Close();
_con = null;
}
}
}
public static string CGJS(int rkdid)
{
int nf = DateTime.Today.Year;
int yf = DateTime.Today.Month;
if (_con == null)
_con = new SqlConnection(connectionString);
SqlCommand cmd = new SqlCommand();
cmd.Connection = _con;
cmd.CommandText = "CGJS";
cmd.CommandType = CommandType.StoredProcedure;
cmd.Transaction = _tran;
SqlParameter param = new SqlParameter("@rkdid", SqlDbType.Int);
param.Direction = ParameterDirection.Input;
param.Value = rkdid;
cmd.Parameters.Add(param);
param = new SqlParameter("@nf", SqlDbType.SmallInt);
param.Direction = ParameterDirection.Input;
param.Value = nf;
cmd.Parameters.Add(param);
param = new SqlParameter("@yf", SqlDbType.SmallInt);
param.Direction = ParameterDirection.Input;
param.Value = yf;
cmd.Parameters.Add(param);
param = new SqlParameter("@tag", SqlDbType.Int);
param.Direction = ParameterDirection.Output;
cmd.Parameters.Add(param);
param = new SqlParameter("@msg", SqlDbType.VarChar, 50);
param.Direction = ParameterDirection.Output;
cmd.Parameters.Add(param);
try
{
if (_tran == null)
_con.Open();
cmd.ExecuteNonQuery();
string msg = cmd.Parameters["@msg"].Value.ToString();
string tag = cmd.Parameters["@tag"].Value.ToString();
string rnvalue = tag + ";" + msg;
return rnvalue;
}
catch (Exception err)
{
throw (err);
}
finally
{
if (_tran == null)
{
_con.Close();
_con = null;
}
}
}
public static string kccshBs(int rkdid)
{
int nf = DateTime.Today.Year;
int yf = DateTime.Today.Month;
if (_con == null)
_con = new SqlConnection(connectionString);
SqlCommand cmd = new SqlCommand();
cmd.Connection = _con;
cmd.CommandText = "KCCJBS";
cmd.CommandType = CommandType.StoredProcedure;
cmd.Transaction = _tran;
SqlParameter param = new SqlParameter("@rkdid", SqlDbType.Int);
param.Direction = ParameterDirection.Input;
param.Value = rkdid;
cmd.Parameters.Add(param);
param = new SqlParameter("@nf", SqlDbType.SmallInt);
param.Direction = ParameterDirection.Input;
param.Value = nf;
cmd.Parameters.Add(param);
param = new SqlParameter("@yf", SqlDbType.SmallInt);
param.Direction = ParameterDirection.Input;
param.Value = yf;
cmd.Parameters.Add(param);
param = new SqlParameter("@tag", SqlDbType.Int);
param.Direction = ParameterDirection.Output;
cmd.Parameters.Add(param);
param = new SqlParameter("@msg", SqlDbType.VarChar, 50);
param.Direction = ParameterDirection.Output;
cmd.Parameters.Add(param);
try
{
if (_tran == null)
_con.Open();
cmd.ExecuteNonQuery();
string msg = cmd.Parameters["@msg"].Value.ToString();
string tag = cmd.Parameters["@tag"].Value.ToString();
string rnvalue = tag + ";" + msg;
return rnvalue;
}
catch (Exception err)
{
throw (err);
}
finally
{
if (_tran == null)
{
_con.Close();
_con = null;
}
}
}
/// <summary>
/// 获取新主键
/// </summary>
/// <param name="tablename"></param>
/// <param name="fieldname"></param>
/// <param name="number"></param>
/// <returns></returns>
public static string GetKey(string tablename, string fieldname, int number)
{
string key = "";
SqlConnection cn = new SqlConnection(connectionString);
SqlCommand cmd = new SqlCommand();
cmd.Connection = cn;
cmd.CommandText = "P_GetKey";
cmd.CommandType = CommandType.StoredProcedure;
SqlParameter para = new SqlParameter("@TableName", SqlDbType.NVarChar, 20);
para.Direction = ParameterDirection.Input;
para.Value = tablename;
cmd.Parameters.Add(para);
para = new SqlParameter("@FiledName", SqlDbType.NVarChar, 20);
para.Direction = ParameterDirection.Input;
para.Value = fieldname;
cmd.Parameters.Add(para);
para = new SqlParameter("@Number", SqlDbType.Int, 2);
para.Direction = ParameterDirection.Input;
para.Value = number;
cmd.Parameters.Add(para);
para = new SqlParameter("@NextID", SqlDbType.NVarChar, 20);
para.Direction = ParameterDirection.Output;
cmd.Parameters.Add(para);
try
{
cn.Open();
cmd.ExecuteNonQuery();
key = cmd.Parameters["@NextID"].Value.ToString();
}
catch (Exception)
{
throw;
}
finally
{
if (cn.State == ConnectionState.Open)
{
cn.Close();
}
if (cn != null)
{
cn.Dispose();
}
}
return key;
}
}
}
///调用
public DataSet GetClaimData(string LpsqID, string procedure)
{
SqlParameter[] parameters = {
new SqlParameter(“@DocumentID”,LpsqID)
};
return DbHelperSQL.RunProcedure(procedure, parameters,”dt”);
}
public int SelectImage_Log(string DocumentId)
{
string sql = string.Format(@”
select * from DR_ZL_Post_Log where ImageState =1 and DocumentId=’{0}’
", DocumentId);
DataTable dt = DbHelperSQL.QueryTable(sql);
return dt.Rows.Count;
}
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