public static int ExecuteSqlByTime(string SQLString,int Times)
        {
            [color=#FF0000]using (SqlConnection connection = new SqlConnection(connectionString))[/color]            {                
                [color=#FF0000]using (SqlCommand cmd = new SqlCommand(SQLString,connection))[/color]
                {
                    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);
                    }
                }                
            }
        }