连接字符串:
1.OleDB连接驱动OraOLEDB.Oracle
Oracle公司提供的OleDB驱动,Provider需要根据实际情况修改,支持32bit与64bit,需要安装Oracle Data Provider for OLE DB.
连接字符串:
connectionString="provider=OraOLEDB.Oracle;Persist Security Info=False;User ID=UserName;Data Source=DataBase;Extended Properties='';Password=Password"
或
connectionString="provider=OraOLEDB.Oracle.1;Persist Security Info=False;User ID=UserName;Data Source=DataBase;Extended Properties='';Password=Password"
2.OleDB连接驱动MSDAORA
Microsoft公司提供的OleDB驱动,Provider需要根据实际情况修改,只支持32bit.
连接字符串:
connectionString="Provider=MSDAORA;Data Source=dataSource;User Id=userid;Password=password;"
或
connectionString="Provider=MSDAORA.1;Data Source=dataSource;User Id=userid;Password=password;"
3.OracleClient连接
Microsoft公司提供,支持32bit与64bit,已建议作废.
连接字符串:
connectionString="Server=tnsnames;User Id=userid;Password=password;" providerName="System.Data.OracleClient"
对于各种数据库的连接方式,可参考www.connectionstrings.com
连接示例1:
[csharp] view plaincopy
public static bool TestDB()
{
string connString = "Provider=MSDAORA;Data Source=dataSource;User Id=userid;Password=password;";
try
{
DbConnection conn = new System.Data.OleDb.OleDbConnection(connString);
try
{
conn.Open();
conn.Close();
MessageBox.Show("连接正常", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
return true;
}
catch (Exception e)
{
MessageBox.Show(e.Message, e.Source + e.TargetSite, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return false;
}
finally
{
conn.Dispose();
}
}
catch (Exception e)
{
MessageBox.Show(e.Message, e.Source + e.TargetSite, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return false;
}
}
连接示例2:
[csharp] view plaincopy
public static bool TestDB()
{
string connString = "Provider=MSDAORA;Data Source=dataSource;User Id=userid;Password=password;";
try
{
using (DbConnection conn = new System.Data.OleDb.OleDbConnection(connString))
{
conn.Open();
conn.Close();
MessageBox.Show("连接正常", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Information);
return true;
}
}
catch (Exception e)
{
MessageBox.Show(e.Message, e.Source + e.TargetSite, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return false;
}
}