Register JavaScript in a page

register-javascript-in-a-page

// Define the name and type of the client script on the page.
String csName = "ButtonClickScript";
Type csType = this.GetType();

// Get a ClientScriptManager reference from the Page class.
ClientScriptManager cs = Page.ClientScript;

// Check to see if the client script is already registered.
if (!cs.IsClientScriptBlockRegistered(csType, csName))
{
    System.Text.StringBuilder csText = new System.Text.StringBuilder();
    csText.Append("<script type=\"text/javascript\">  { }");
   
    cs.RegisterClientScriptBlock(csType, csName, csText.ToString());
}