控件ID找不到的AsyncPostBackTrigger

本文介绍了控件ID找不到的AsyncPostBackTrigger的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

 ＆LT; ASP：的UpdatePanel ID =CartUpdatePanel=服务器＆GT;
        ＆LT;＆触发器GT;
            ＆LT; ASP：AsyncPostBackTrigger控件ID ='＆LT;％= rdoSelect.ClientID％GT;/＆GT;
        ＆LT; /触发器＆GT;
        ＆LT;＆的ContentTemplate GT;
            ＆LT; ASP：定时器ID =cartTimer间隔=5000=服务器OnTick =cartTimer_Tick＆GT;
            ＆LT; / ASP：定时器＆GT;
            ＆LT; ASP：GridView控件ID =gridCartSearch=服务器的AutoGenerateColumns =FALSE＆GT;
                ＆LT;柱体和GT;
                    ＆LT; ASP：的TemplateField的HeaderText =选择＆GT;
                        ＆LT;＆ItemTemplate中GT;                            ＆LT; ASP：HiddenField ID =串行=服务器值='＆LT;％＃的eval（SERIALNUM）％＆GT;' /＆GT;
                            ＆LT; ASP：单选按钮ID =rdoSelect=服务器的AutoPostBack =真正的组名=radioBtns
                                OnCheckedChanged =rdoSelect_CheckedChanged/＆GT;
                        ＆LT; / ItemTemplate中＆GT;
                    ＆LT; / ASP：的TemplateField＆GT;                ＆LT; /专栏＆GT;
            ＆LT; / ASP：GridView的＆GT;
        ＆LT; /＆的ContentTemplate GT;
    ＆LT; / ASP：的UpdatePanel＆GT;

我收到以下错误

解决方案

I tried <asp:AsyncPostBackTrigger ControlID='rdoSelect'/> but it’s not working.

I found a solution here A control with ID 'ImageButton5' could not be found for.

The AsyncPostBack should be registered whenever a row is created.

protected void gridCartSearch_RowCreated(object sender, GridViewRowEventArgs e)
        {
            Control radioControl = e.Row.Cells[0].FindControl("rdoSelect");
            if (radioControl != null)
            {
                cartScriptMgr.RegisterAsyncPostBackControl(radioControl);
            }

        }

Update the Update Panel On rdoSelect_CheckedChanged

  protected void rdoSelect_CheckedChanged(object sender, EventArgs e)
        {
            ....
            CartUpdatePanel.Update();

        }

using <asp:AsyncPostBackTrigger ControlID='rdoSelect'/>

Thanks All

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