How to Display Alert Message through Code behind in Asp.Net

Alert message is nothing but alert when we are inserting or deleting before that we need confirmation or else alert message for user guide in actually what we are doing and what effect we comes after that. Here we will display alert message through code behind.

Step 1: Drag Button Control in Webpage.

<div>

<asp:Button ID="Button1" runat="server" Text="Click to Show Alert Message" onclick="Button1_Click" />

</div>

Step 2: Generate Click event and Code for Generate dynamically alert Message.

protected void Button1_Click(object sender, EventArgs e)

{

            string Message = "Welcome to My WebSite.!!";

            ScriptManager.RegisterStartupScript(Page, this.GetType(), "Key",string.Format("alert('{0}');", Message), true);

}

Now check in your Browser and click on button to generate alert message.

Author : Umesh Patel

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