How can read the value of text box from Ajaxfileupolad control

Question

I am assigning the value to the variable from the text box on the page during the pageupload event of AjaxFileUpload1.The problem is that, I am not getting the value from the text box to my variable even though no error throws.My variables are

    string scn = txtSCN.Text;
    string line1 = txtLineitem.Text;
    string aging1 = txtAging.Text;

Any idea why AjaxFileUpload1_UploadComplete is not able to read text box value

My cs Code is:

protected void AjaxFileUpload1_UploadComplete(object sender, AjaxControlToolkit.AjaxFileUploadEventArgs e)
{
    string c = System.IO.Path.GetFileName(e.FileName);
    string dpath = "~/Profile/Images/";
    string scn = txtSCN.Text;
    string line1 = txtLineitem.Text;
    string aging1 = txtAging.Text;             
    AjaxFileUpload1.SaveAs(MapPath(Path.Combine(dpath,c)));
    dpath = dpath + c;
    string str1 = ConfigurationManager.ConnectionStrings["ProTracConnGMCH"].ConnectionString;
    SqlConnection cn = new SqlConnection(str1);
    cn.Open();
    string sql = "Update tbNoquoteFollowupupdate set MailreceivedURL = '" + dpath + "', chkMailreceived = 1 , Buyername =  '" + buyername + "'  where scn = '" + scn + "' AND lineItem = '" + line1 + "' and Aging ='" + aging1 + "' ";
    SqlCommand cmd = new SqlCommand(sql, cn);
    int i = cmd.ExecuteNonQuery();

    if (i > 0)
    {
        // AjaxFileUpload1.SaveAs(Path.Combine(dpath, e.FileName));
        //AjaxFileUpload1.SaveAs(MapPath(dpath));
    }
    cn.Close();
    BindGridviewData1();
    cn.Open();
    string cmd2 = "Insert Into tbMulitmailsreived (scn, lineItem,followupdate, Aging,MailreceivedURL) Values ('" + scn + "', '" + line1 + "','" + DateTime.Now + "','" + aging1 + "','" + dpath + "')";
    SqlCommand sqlCommand2 = new SqlCommand(cmd2, cn);
    sqlCommand2.ExecuteNonQuery();
    cn.Close();
}

I would advise you to read on [parameterized SQL](http://www.codinghorror.com/blog/2005/04/give-me-parameterized-sql-or-give-me-death.html) — Wahtever, Feb 18 '14 at 13:15
You are not able to retrieve the textbox values, because it is a `partial post-back` and hence `ViewState` will not be available for the controls. You can use sessions to grab the textbox values on earlier post-backs. — NaveenBhat, Feb 18 '14 at 13:33

score 1 · Accepted Answer · answered Feb 18 '14 at 13:14

1

Please put the values from text box's into session and since you can reach the session variables from the UpLoadComplete everything will work in this way.

answered Feb 18 '14 at 13:14

Aftab Ahmed

1,727
11
15

when I give session variable error says :The name 'variable ' does not exist in the current context – FaisalThayyil Feb 18 '14 at 13:32
try to use string var= HttpContext.Current.Session["variable"].ToString(); – Aftab Ahmed Feb 18 '14 at 13:38
Also Have a look at this link – Aftab Ahmed Feb 18 '14 at 13:54

score 0 · Answer 2 · answered Feb 18 '14 at 13:50

You can customize AjaxFileUpload control and pass text boxes values to UploadCompleted event handler as below:

function uploadStarted(sender, args) {
     var latitude = $get("<%= tbUploaderLat.ClientID %>").value;
     var longitude = $get("<%= tbUploaderLon.ClientID %>").value;
     sender.contextKeys = { "latitude": latitude, "longitude": longitude };
}

After that, you can get latitude & longitude values in UploadComplete handler:

    protected void AjaxFileUpload1_OnUploadComplete(object sender, AjaxFileUploadEventArgs file)
    {
       if (!string.IsNullOrEmpty(file.ContextKeys))
       {
            var longLat = new     System.Web.Script.Serialization.JavaScriptSerializer().Deserialize<Dictionary<string,   string>>(file.ContextKeys);
           var longitude = longLat["longitude"];
           var latitude = longLat["latitude"];
       }

       //code to save file

   }

How can read the value of text box from Ajaxfileupolad control

2 Answers2