我们可以在datgrid中的update命令之前调用javascript吗 [英] can we call javascript before update command in datgrid

问题描述

我在aspx页面中有一个datagrid，其中存在editcommand事件.我想当我单击update事件时，然后在进入.cs页面之前它将调用javascript，以便我可以检查即将到来的文本框的有效性单击编辑命令后.

谢谢，

I have a datagrid in aspx page in which editcommand event is present.I want when I click the update event then before going in .cs page it will call the javascript so that I can chek the validation of the textbox which is come after clicking the edit command.

Thanks,

推荐答案

您好，您可以在更新之前在编辑按钮"上调用JS函数.在RowDataBound事件上找到此控件，并使用以下代码设置此控件的属性.

Hi, You can call JS function on Edit Button before update. Find this control on RowDataBound event and set attribute for this control using below code.

EditButton.Attributes.Add("Onclick","javascript:return JSFunction();");

您可以在RowDataBound(e.Row.FindControl)中找到更新按钮，并将其OnClientClick分配给一小段javascript.

问候
Joachim

Hi,

You could find the update button in the RowDataBound (e.Row.FindControl) and assign it''s OnClientClick to a small piece of javascript.

Regards
Joachim

是的，默认情况下，它将首先调用客户端javascript，然后执行服务器端语句.
首先，您创建js函数，例如，

yes by default it will first call client side javascript and then execute server side statements.
First u create js function like,

function validate_text()
{
if (document.getElementById('txt_id').value == '')
 {
alert('Please Enter... !');                 document.getElementById('txt_id').focus();
return false;
 }
else
{
return true;
}
}

使用解决方案1调用创建的javascript函数.

use Solution 1 to call javascript function created.

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