public class SqlTool
...{
static string CONN_STR = "server=.;uid=sa;pwd=;database=northwind";
public static int ExeSqlRtInt(string sql, params SqlParameter[] parms)
...{
using (SqlConnection cn = new SqlConnection(CONN_STR))
...{
cn.Open();
SqlCommand cmd = new SqlCommand(sql, cn);
foreach (SqlParameter p in parms)
cmd.Parameters.Add(p);
return cmd.ExecuteNonQuery();
}
}
public static void ExeSqlFillTable(string sql, DataTable dt, params SqlParameter[] parms)
...{
using (SqlConnection cn = new SqlConnection(CONN_STR))
...{
SqlDataAdapter ada = new SqlDataAdapter(sql, cn);
foreach (SqlParameter p in parms)
ada.SelectCommand.Parameters.Add(p);
ada.Fill(dt);
}
}
}
SQL工具类实现
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