C#
Reference: http://www.codeproject.com/Questions/123490/_EVENTTARGET-empty
- public Control GetPostBackControl(Page page)
- {
- Control control = null;
- string ctrlname = page.Request.Params.Get("__EVENTTARGET");
- if (ctrlname != null && ctrlname != string.Empty)
- {
- control = page.FindControl(ctrlname);
- }
- else
- {
- foreach (string ctl in page.Request.Form)
- {
- Control mycontrol = page.FindControl(ctl);
- if (mycontrol is System.Web.UI.WebControls.Button)
- {
- control = mycontrol;
- // This gives you ID of which button caused postback
- Response.Write(mycontrol.ID);
- break;
- }
- }
- }
- return control;
- }
- protected void Page_Load(object sender, EventArgs e)
- {
- Control a = GetPostBackControl(this.Page);
- }
沒有留言:
張貼留言