Hi i found this below solution with ScriptManager
string message = "alert('Hello!')";
ScriptManager.RegisterClientScriptBlock((sender as Control), this.GetType(), "alert", message, true);
the issue is i am using ToolkitScriptManager
How can make the code work with ToolkitScriptManager
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>
<cc1:ToolkitScriptManager ID="ToolkitScriptManager1" runat="server">
</cc1:ToolkitScriptManager>
It will work with ToolScriptManager also(only if you have PostBack trigger)
Response.Write(@"<script Language=""javascript"" >alert('"+Your Message here+"')</script>");
Code below works with both ToolScriptManager and ScriptManager(For Async Trigger also)
String TransferPage;
TransferPage = "<script>alert('Your Message')</script>";
ScriptManager.RegisterStartupScript(Page, Page.GetType(), "temp", TransferPage, false);