Using External Javascript, CSS or Image File in a WebPart

Button Testbutton;


Image img;

string imagePath;



// Referring External Javascript

ClientScriptManager cs = Page.ClientScript;

// Include the required javascript file.

if (!cs.IsClientScriptIncludeRegistered("jsfile"))

cs.RegisterClientScriptInclude(this.GetType(), "jsfile", "/_wpresources/MyWP/1.0.0.0_9f4da00116c38ec5/jsfile.js");



Test :

Testbutton= new Button();

Testbutton.Text = "Click me";

Testbutton.OnClientClick = "jsfile_Function()"; // specify function name here

this.Controls.Add(Testbutton);



// Refering External CSS

Microsoft.SharePoint.WebControls.CssLink cssLink = new Microsoft.SharePoint.WebControls.CssLink();

cssLink.DefaultUrl = "/_wpresources/MyWP/1.0.0.0_9f4da00116c38ec5/styles.css";

this.Page.Header.Controls.Add(cssLink);



// Using External Image

imagePath = "/_wpresources/MyWP/1.0.0.0_9f4da00116c38ec5/Image.jpg";

img.ImageUrl = imagePath;

img.ID = "image1";



this.Controls.Add(mybutton);

this.Controls.Add(img);