//ExecSql方法

try

            {

                SqlConn.Close(); //sqlconn是创建的一个连接

                SqlConn.Open();

                SqlCommand MyCommand = new SqlCommand(s_Sql, SqlConn);

                if (cmdParms != null)

                {

                    foreach (SqlParameter parm in cmdParms)

                    {

                        MyCommand.Parameters.Add(parm);

                    }

                }

                MyCommand.ExecuteNonQuery();

            }

            catch (Exception ex)

            {

                throw (new ApplicationException(ex.Message));      

            }

            finally

            {

                SqlConn.Close();

            }



//调用的一个更新

try

            {

              IniClass.ExecSql(" UPDATE t1 SET nl=1200 WHERE id=@id ",new SqlParameter("ID", t_id.Text.Trim));

                    

                    MessageBox.Show("修改成功！", "提 示", MessageBoxButtons.OK, MessageBoxIcon.Warning);

                    this.Close();  

                }

            }

            catch (Exception ex)

            {

                MessageBox.Show(ex.Message, "提 示", MessageBoxButtons.OK,