//数据库
public class GF_DA
{
/// <summary>
/// 执行SQL语句 sConnStr 连接字符串,sql执行的sql命令 返回第一行第一列
/// </summary>
/// <param name="sConnStr"></param>
/// <param name="sql"></param>
/// <returns></returns>
public static object ExecSQL(string sConnStr, string sql)
{
using (SqlConnection conn = new SqlConnection(sConnStr))
{
using (SqlCommand cmd = new SqlCommand())
{
try
{
conn.Open();
cmd.Connection = conn;
cmd.CommandText = sql;
return cmd.ExecuteScalar();
}
catch
{
return null;
}
}
}
}
/// <summary>
/// 执行SQL数组
/// </summary>
/// <param name="sConnStr"></param>
/// <param name="alSql"></param>
/// <param name="iLen"></param>
public static void ExecSQL(string sConnStr, ArrayList alSql, int iLen)
{
using (SqlConnection conn = new SqlConnection(sConnStr))
{
using (SqlCommand cmd = new SqlCommand())
{
try
{
conn.Open();
cmd.Connection = conn;
for (int i = 0; i < alSql.Count; i++)
{
cmd.CommandText = alSql[i].ToString();
cmd.ExecuteNonQuery();
}
}
catch
{
}
}
}
}
/// <summary>
/// 填充数据 返回DataTable
/// </summary>
/// <param name="sConnStr"></param>
/// <param name="sql"></param>
/// <param name="sTableName"></param>
/// <returns></returns>
public static DataTable DataFill(string sConnStr, string sql, string sTableName)
{
using (SqlConnection conn = new SqlConnection(sConnStr))
{
using (SqlCommand cmd = new SqlCommand())
{
DataSet ds = new DataSet();
try
{
conn.Open();
cmd.Connection = conn;
cmd.CommandText = sql;
SqlDataAdapter ap = new SqlDataAdapter(cmd);
ap.Fill(ds, sTableName);
return ds.Tables[0];
}
catch
{
return null;
}
}
}
}
}