如何清除JavaScript中包含gridview行编辑值的文本框 [英] How to clear textbox in javascript that contains value of gridview row editing

问题描述

我正在使用VS2010.
我有以下Asp控件，一个文本框和一个gridview，一个更新和html Reset按钮.
当我单击gridview行的行编辑按钮时，它将在文本框中填充相应的值.我的问题是，当我单击重置"按钮时，它不会清除来自gridview行的文本框值.

hi i m using VS 2010 .
i have following Asp controls one textbox and one gridview and one update and html Reset button.
when i click on row editing button of gridview row then it fills the corresponding value in textbox. my problem is that when i click on reset button it does not clear textbox value that comes from gridview row.

function btnReset_onclick() {
 document.getElementById("<%= txtDescription.ClientID %>").value = "";
}



protected void GridViewExpenses_RowEditing(object sender, GridViewEditEventArgs e)
{
         lblExpenseDesc = GridViewExpenses.Rows[e.NewEditIndex].FindControl("lblDescription") as Label;
         txtDescription.Text = lblExpenseDesc.Text;
}

请给我最好的解决方案...
提前thnx ...

plz give me d best solution...
thnx in advance...

推荐答案

这是您可以应用的技巧.
aspx.cs

This is Tricks you may apply.
aspx.cs

protected void GridViewExpenses_RowEditing(object sender, GridViewEditEventArgs e)
{
         //You need to set client id of currently active textbox
         TextBox txt = GridViewExpenses.Rows[e.NewEditIndex].FindControl("txtDescription") as TextBox;
         txthidden.value = txt.ClientID;
}

.aspx

.aspx

function btnReset_onclick() {
var currentTextbox = document.getElementById("<%= txthidden.ClientID %>").value;
document.getElementById(currentTextbox).value ="";
}

<asp:HiddenField  runat="server" id="txthidden"/>

谢谢，
Imdadhusen

Thanks,
Imdadhusen

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