How can i save excel file in downloads folder using asp .net c#
Question
Below is my code to download the data in excel but the problem is while downloading it is not showing that the file is getting downloaded moreover i am giving the path in this way as given below to download the file in downloads folder but i should not use this because it works in local host but it will not work when hosted in server.how can i download into downloads folder with showing the downloading file at bottom
protected void btnExportExcel_Click(object sender, EventArgs e)
{
string pathDownload = @"~\Downloads\" Data.xls";
ExportToExcel(dsExcel, pathDownload);
lblMessage.Text = "Downloaded Successfully";
}
private void ExportToExcel(DataSet table, string filePath)
{
int tablecount = table.Tables.Count;
StreamWriter sw = new StreamWriter(filePath, false);
sw.Write(@"<!DOCTYPE HTML PUBLIC ""-//W3C//DTD HTML 4.0 Transitional//EN"">");
sw.Write("<font style='font-size:10.0pt; font-family:Calibri;'>");
sw.Write("<BR><BR><BR>");
sw.Write("<Table border='1' bgColor='#ffffff' borderColor='#000000' cellSpacing='0' cellPadding='0' style='font-size:10.0pt; font-family:Calibri; background:'#1E90FF'> <TR>");
sw.Write("</Table>");
//sw.Write("<BR><BR><BR><BR>");
//sw.Write("\n");
//sw.Write(string.Format("Line1{0}Line2{0}", Environment.NewLine));
sw.Write("</font>");
}
sw.Close();
}
this is the path that i am getting ~\Downloads\DATA.xls
and i am getting this exception Could not find a part of the path 'C:\Program Files (x86)\Common Files\Microsoft Shared\DevServer\11.0\~\Downloads\DATA.xls'. StreamWriter sw = new StreamWriter(filePath, false);
2 answers
solution1
0 2017-06-16 08:46:21
Currently your streamwriter writes to a local file. You need to get it to write to the browser. So instead of
StreamWriter sw = new StreamWriter(filePath, false);
Use
StreamWriter sw = new StreamWriter(HttpContext.Current.Response.OutputStream);
Also, be sure to set the right MIME type and set the content-disposition to trigger a download .
solution2
0 2017-06-16 11:06:09
private void ExportGridToExcel() {
Maingrid.AllowPaging = false;// To print all the pages without pagination in grid
string filename = string.Empty;
filename = "Report -" + DateTime.Now.ToString("yyyyMMddHHmmssfffff");
Response.Clear();
Response.Buffer = true;
Response.ClearHeaders();
Response.AddHeader("content-disposition", "attachment;filename=" + filename + ".xls");
Response.Charset = "";
Response.ContentType = "application/vnd.ms-excel";
StringWriter sw = new StringWriter();
HtmlTextWriter hw = new HtmlTextWriter(sw);
Maingrid.GridLines = GridLines.Both;
Maingrid.HeaderStyle.Font.Bold = true;
int x = Maingrid.Rows.Count;
for (int i = 0; i < Maingrid.Rows.Count; i++)
{
GridViewRow row = Maingrid.Rows[i];
//Apply text style to each Row
row.Attributes.Add("class", "textmode");
row.BackColor = System.Drawing.Color.White;
}
Maingrid.RenderControl(hw);
string style = @"<style> .textmode { mso-number-format:\@; } </style>";
//style to format numbers to string
Response.Output.Write("<h1>Merchant Registration report</h1>");
Response.Write(style);
Response.Output.Write(sw.ToString());
Response.Flush();
Response.End();
}
public override void VerifyRenderingInServerForm(Control control)
{
}
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