c# - clear the textbox after redirect to a download page -


i have 2 pages. main.aspx , download.aspx page_load @ download.aspx download file textbox , download button @ main.aspx -no function @ page_load -button redirect download.aspx -textbox cannot left blank.

after filled textbox , press button, page remain @ main.aspx , file downloaded download.aspx. problem is, how can clear textbox after press download button?

i tried:

  1. this.textbox1.text = ""; before , after redirect.
  2. scriptmanager.registerstartupscript(this, this.gettype(), "alert", "document.getelementbyid('textbox1').value =''", true); before , after redirect
  3. response.redirect("main.aspx); after response.redirect("download.aspx");
  4. onclientclick = "validation()"

function validation() { document.getelementbyid('textbox1').value= ""; }

remember have validation, 4. cannot work.

5.       onclientclick ="document.forms[0].target = '_blank';"/>            response.redirect(”download.aspx”,false);         textbox1.text="";  6. textbox1.enableviewstate = false;

7.button clicked, redirect main2.aspx, pageload @ main2.aspx redirect download.aspx. after clicked button @ main.aspx, file downloaded, page still remains @ main.aspx.

none of method above working, else can try? , problem? why textbox cannot set blank?

main.aspx

protected void page_load(object sender, eventargs e) {  }  protected void button1_click(object sender, eventargs e) {    this.textbox1.text = "";    response.redirect("download.aspx");    this.textbox1.text = ""; }

download.aspx

protected void page_load(object sender, eventargs e) {    string reportpath = "c:\\form.pdf";     response.contenttype = "appplication/pdf";    response.appendheader("content-disposition", "attachment; filename=form.pdf");    response.transmitfile(reportpath);    response.end(); }

try javascript clear textbox value


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