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05.16.2008 at 11:51PM PDT, ID: 23410315 | Points: 500
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Attachment Details

getting error in  datagrid/gridview when dowloading the attachments

Asked by medapati in Programming for ASP.NET, C# Programming Language, .NET Framework 2.0

Tags: asp.net, getting error when download the attachment from datagrid while using ajax

I am using asp.net ajax,i tried this code to download the attachment from the datagrid.string strFilename1 = e.CommandArgument.ToString();
            if (strFilename1.Trim() == "JobDescriptions_10_5_2008")
            {
               
            }
            else
            {

                Response.ClearHeaders();
                Response.Clear();
                Response.AppendHeader("Content-Disposition", "attachment;Filename=" + strFilename1);
                Response.TransmitFile("Admin/JobDescriptions/" + strFilename1);
                Response.End();
            }

    But its showing error,i am sending error as attachment.please solve this problem. its urgentStart Free Trial 
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using System;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Mail;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;
using System.Text.RegularExpressions;
using System.Xml;
using System.Text;
using System.ComponentModel;
 
 
public partial class Careers : System.Web.UI.Page
{
    SqlConnection con = new SqlConnection(ConfigurationManager.AppSettings["ConnectionString"]);
    public string strFileName, attach1;
    protected void Page_Load(object sender, EventArgs e)
    {
        BindCareers();
    }
    protected void btnSend_Click(object sender, EventArgs e)
    {
        string StrFileName="";
        StringBuilder emailstr;
        emailstr = new StringBuilder();
        emailstr.Append("");
        emailstr.Append("<TABLE cellSpacing=2 cellPadding=2  align=center>");
        emailstr.Append("<TBODY><TR><TD bgColor=#c05974 colSpan=2>");
        emailstr.Append("</TD></TR>");
        emailstr.Append("<TR><TD>");
        emailstr.Append("<P>Name:</P>");
        emailstr.Append("</TD><TD>" + txtFrom.Text + "</TD></TR>");
        emailstr.Append("<TR><TD>");
        emailstr.Append("<P>Phone</P></TD><TD>" + txtPhone.Text + "</TD></TR>");
        emailstr.Append("<TR><TD><P>Email</P></TD>");
        emailstr.Append("<TD>" + txtEmail.Text + "</TD></TR>");
        emailstr.Append("<TR><TD bgColor=#c05974 colSpan=2><P> &nbsp;&nbsp;</P></TD></TR>");
        emailstr.Append("<TR><TD><P> &nbsp;&nbsp;</P></TD>");
        emailstr.Append("<TD>&nbsp;&nbsp;</TD></TR><TR><TD><P>Cover Letter");
        emailstr.Append("</P></TD>" + txtCover.Text + "</TD></TR>");
        emailstr.Append("<TR bgColor=#c05974><TD colSpan=2><P> &nbsp;&nbsp;</P></TD></TR></TBODY>");
        emailstr.Append("</TABLE>");
        MailMessage MyMail = new MailMessage();
        MyMail.From = txtEmail.Text;
        MyMail.To = ConfigurationSettings.AppSettings["strAdmin"].ToString();
     
        MyMail.Subject = "Career Application";
        MyMail.BodyFormat = MailFormat.Html;
        MyMail.Body = emailstr.ToString();
      
        StrFileName = fileAttachment.PostedFile.FileName;
        if (StrFileName != "") 
        {           
            StrFileName = StrFileName.Substring(StrFileName.LastIndexOf("\\") + 1);
            StrFileName = "Admin/Resumes/" + StrFileName;
            fileAttachment.PostedFile.SaveAs(Server.MapPath(StrFileName));
            MailAttachment MyAttachment = new MailAttachment(Server.MapPath(StrFileName));
            MyMail.Attachments.Add(MyAttachment);
        }
        SmtpMail.Send(MyMail);
        Response.Redirect("CareersSucess.aspx");
     
    }
    
    protected void btnReset_Click(object sender, EventArgs e)
    {
        Control myForm = Page.FindControl("form1");
        foreach (Control ct1 in myForm.Controls)
        if (ct1.GetType().ToString().Equals("System.Web.UI.WebControls.TextBox")) ((TextBox)ct1).Text = "";
    }
 
    public void BindCareers()
    {
        string strqueary;
        strqueary = "select CAR_ID,CAR_LOCATION,CAR_POSITION,CAR_NOOF_VACCANCIES,case when (CAR_DESCRIPTION='JobDescriptions_10_5_2008') then '&nbsp;<a href=''mailto:Sanjeev@impeloverseas.com''>Contact HR</a>' else 'Download' end as DES,CAR_DESCRIPTION from IML_CAREERS";
        SqlDataAdapter da = new SqlDataAdapter(strqueary, con);
        DataSet ds = new DataSet();
        da.Fill(ds);
        if (ds.Tables[0].Rows.Count > 0)
        {
            dgCarrers.DataSource = ds;
            dgCarrers.DataBind();
           
        }
        else
        {
            lblMessage.Text = "No Vacancies";
        }
        
    }
    protected void dgCarrers_ItemCommand(object source, DataGridCommandEventArgs e)
    {
 
        if (e.CommandName == "Download")
        {
 
            string strFilename1 = e.CommandArgument.ToString();
            if (strFilename1.Trim() == "JobDescriptions_10_5_2008")
            {
               
            }
            else
            {
 
                Response.ClearHeaders();
                Response.Clear();
                Response.AppendHeader("Content-Disposition", "attachment;Filename=" + strFilename1);
                Response.TransmitFile("Admin/JobDescriptions/" + strFilename1);
                Response.End();
            }
         
        }
    }
   
}
Attachments:
 
error-copy.jpg (422 KB) (File Type Details) 
i am getting this error when i am clicking download button in datagrid
i am getting this error when i am clicking download button in datagrid
 
 
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[+][-]05.17.2008 at 12:45AM PDT, ID: 21588311

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