Pagination on DataList control

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C#

As the title says my aim is to implement pagination on my datalist control.

Here is my function from which im fetching the data.

public void LinkButton_Click(object sender, EventArgs e)
   {
               DrugDescriptionList.DataSource = null;
               DrugDescriptionList.DataBind();
               LinkButton l = (LinkButton)sender;
               string FirstLetter = l.Text;

               IBAL objbal = BALFactory.UIFactoryBAL.retrieveDrugNamesObject();
               pg.DataSource = objbal.retrieveDrugNames(FirstLetter).DefaultView;
               pg.AllowPaging = true;
               pg.PageSize = 2;
               pg.CurrentPageIndex = CurrentPage;
               lnkbtnNext.Enabled = !pg.IsLastPage;
               lnkbtnPrevious.Enabled = !pg.IsFirstPage;
               DrugNameList.DataSource = pg;
               DrugNameList.DataBind();
               doPaging();

   }

Here is another set of EventHandlers from which im supposed to call the "LinkButton_Click" (above shown)

protected void dlPaging_ItemCommand(object source, DataListCommandEventArgs e)
   {
       if (e.CommandName.Equals("lnkbtnPaging"))
       {
           CurrentPage = Convert.ToInt16(e.CommandArgument.ToString());
           //Here i have to call the Binding function
       }
   }
   protected void lnkbtnPrevious_Click(object sender, EventArgs e)
   {
       CurrentPage -= 1;
       //Here i have to call the binding function
   }
   protected void lnkbtnNext_Click(object sender, EventArgs e)
   {
       CurrentPage += 1;
       //Here i have to call the binding function
   }

I have tried many methods but im getting error bacause of the arguments(object sender and EventArgs e)
Please help me out on how to call that function. Thanks a lot :D

In my case its different becz i have used an object SENDER I would have to convert the "sender" from .aspx to Linkbutton type while calling it elsewhere, which i dont no how to

LinkButton l = (LinkButton)sender; <--- I get an error in this line

My Question is- wat are the arguments to be passed while calling a event handler function from another event handler ?