[英]Set TextBox value using javascript on ButtonClick in ASP.NET
I have searched alot but i didn't find any good answer. 我已经搜索了很多,但是没有找到任何好的答案。 My Question is:
我的问题是:
I want to set the value of a asp.net textbox using external javascript file.
我想使用外部javascript文件设置asp.net文本框的值。
function setvalue() { document.getElementById('<%=txtbox1.ClientID %>').value = "Hello World"; }
<asp:TextBox runat="server" ID="txtbox1" /> <asp:Button runat="server" OnClientClick="setvalue();" Text="SetValue" />
i have found some answer but they used internal javascript. 我找到了一些答案,但他们使用了内部javascript。 I don't know how to do it.
我不知道该怎么做。 Please Help.
请帮忙。
Just pass the textbox's ID as parameter, like this 只需将文本框的ID作为参数传递,就像这样
function setvalue(textBoxID)
{
document.getElementById(textBoxID).value = "Hello World";
}
and in your main file (asp/aspx) call it like this 并在您的主文件(asp / aspx)中这样称呼它
OnClientClick="setvalue('<%=txtbox1.ClientID %>');"
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