Runtime Add Dynamic Button And Handle Click Event in ASP.NET C# VB.NET

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In most of the cases developers need to add dynamic controls in asp.net application using code behind or runtime. Here in this article i will explain how one can add dynamic Asp.Net Server side Button in runtime and assign or handle click event in asp.net using C# and VB.NET.

To add a asp.net server side button control when page is loaded. We need to write the below code segment under page_Load Event:

C#.Net:

protected void Page_Load(object sender, EventArgs e)
    {
        Button cmd = new Button();
        cmd.Text = "Click Me";
        this.form1.Controls.Add(cmd);
        cmd.Click += new EventHandler(Dynamic_Method);
    }

    protected void Dynamic_Method(object sender, EventArgs e)
    {
        Response.Write("You have clicked at: "+DateTime.Now.ToString("dd/MM/yyyy hh:mm:ss tt"));
    }

VB.Net:

Private Sub Dynamic_Method(ByVal sender As System.Object, ByVal e As System.EventArgs)
        Response.Write("You have clicked at: " + DateTime.Now)
    End Sub

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        Dim cmd As New Button
        cmd.ID = "BOTON"
        cmd.Text = "Click Me"
        AddHandler cmd.Click, AddressOf Dynamic_Method
        Form.Controls.Add(cmd)
    End Sub