In my application I have a target to show message if user does not have permission to navigate to another page. I can do this by using server code but it will make a round trip to server and make a bad user experience so, I decided to use java script.
Following is the function of Java Script
<script language="javascript" type="text/javascript">
function func_Message(obj)
{
if (parseFloat(obj)>0)
{
return true;
}
else
{
alert("Please assign a value before viewing the details");
return false;
}
}
</script>
And following is the code of Link Button from where I am passing value to Java Script Function
<asp:LinkButton ID="lnk_Details" runat="server" Text="Details" CommandArgument='<%# Eval("festi_id") +"~" + Eval("user_id") %>'
CommandName="ViewDetails" OnClientClick='<%# "return func_Message(" + Eval("user_id") + ");"%>'></asp:LinkButton>
How to pass server values to Javascript using Eval()
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