rad window open and close using rad button

code sample

protected void RadButton1_Click(object sender, EventArgs e)

{

    //pass the ClientID of the RadWindow to open

    string script = "function f(){Open('"+RadWindow1.ClientID+"'); Sys.Application.remove_load(f);}Sys.Application.add_load(f);";

    ScriptManager.RegisterStartupScript(Page, Page.GetType(), "key", script, true);

}

protected void RadButton2_Click(object sender, EventArgs e)

{

    //pass the ClientID of the RadWindow to close

    string script = "function f(){Close('" + RadWindow1.ClientID + "'); Sys.Application.remove_load(f);}Sys.Application.add_load(f);";

    ScriptManager.RegisterStartupScript(Page, Page.GetType(), "key", script, true);

}