protected void Imagebutton1_Click(object sender, ImageClickEventArgs e) { if (string.IsNullOrEmpty(this.hidCValue.Value)) { this.PrintfError("没有选择要修改的纪录!"); this.txtExp.Text = ""; this.txtValue.Text = ""; this.hidCValue.Value = ""; return; } if (string.IsNullOrEmpty(this.txtValue.Text) || string.IsNullOrEmpty(this.txtExp.Text)) { this.PrintfError("参数值和参数名不能为空!"); return; } try { SysParam parm = new SysParam(this.hidCValue.Value, this.txtValue.Text, this.txtExp.Text); parm.Update(); this.txtExp.Text = ""; this.txtValue.Text = ""; this.hidCValue.Value = ""; BindSysParam(); } catch { this.PrintfError("数据访问错误,请重试!"); return; } }