use this code
---------------------
protected void btnExport_Click(object sender, EventArgs e)
{
DataTable dt = new DataTable();
dt.Columns.Add("Id");
dt.Columns.Add("City Name");
DataRow dr = dt.NewRow();
dr["Id"] = "50";
dr["City Name"] = "Bhubaneswar";
dt.Rows.Add(dr);
DataRow dr1 = dt.NewRow();
dr1["Id"] = "55";
dr1["City Name"] = "Cuttack";
dt.Rows.Add(dr1);
ExporttoExcel(dt);
}
private void ExporttoExcel(DataTable table)
{
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.ClearContent();
HttpContext.Current.Response.ClearHeaders();
HttpContext.Current.Response.Buffer = true;
HttpContext.Current.Response.ContentType = "application/ms-excel";
//HttpContext.Current.Response.ContentType = "application/ms-word";
HttpContext.Current.Response.Write(@"<!DOCTYPE HTML PUBLIC ""-//W3C//DTD HTML 4.0 Transitional//EN"">");
HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment;filename=Reports" + DateTime.Now.ToString("ddMMyyyyhhmmss") + ".xls");
//HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment;filename=Reports.doc");
HttpContext.Current.Response.Charset = "utf-8";
HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.GetEncoding("windows-1250");
HttpContext.Current.Response.Write("<font style='font-size:10.0pt; font-family:Calibri;'>");
HttpContext.Current.Response.Write("<BR><BR><BR>");
HttpContext.Current.Response.Write("<Table border='1' bgColor='#ffffff' borderColor='#000000' cellSpacing='0' cellPadding='0' style='font-size:10.0pt; font-family:Calibri; background:white;'> <TR>");
int columnscount = table.Columns.Count;
for (int j = 0; j < columnscount; j++)
{
HttpContext.Current.Response.Write("<Td style='background:#ebf442'>");
HttpContext.Current.Response.Write("<B>");
HttpContext.Current.Response.Write(table.Columns[j].ColumnName.ToString());
HttpContext.Current.Response.Write("</B>");
HttpContext.Current.Response.Write("</Td>");
}
HttpContext.Current.Response.Write("</TR>");
foreach (DataRow row in table.Rows)
{
HttpContext.Current.Response.Write("<TR>");
for (int i = 0; i < table.Columns.Count; i++)
{
HttpContext.Current.Response.Write("<Td>");
HttpContext.Current.Response.Write(row[i].ToString());
HttpContext.Current.Response.Write("</Td>");
}
HttpContext.Current.Response.Write("</TR>");
}
HttpContext.Current.Response.Write("</Table>");
HttpContext.Current.Response.Write("</font>");
HttpContext.Current.Response.Flush();
HttpContext.Current.Response.End();
}
---------------------
protected void btnExport_Click(object sender, EventArgs e)
{
DataTable dt = new DataTable();
dt.Columns.Add("Id");
dt.Columns.Add("City Name");
DataRow dr = dt.NewRow();
dr["Id"] = "50";
dr["City Name"] = "Bhubaneswar";
dt.Rows.Add(dr);
DataRow dr1 = dt.NewRow();
dr1["Id"] = "55";
dr1["City Name"] = "Cuttack";
dt.Rows.Add(dr1);
ExporttoExcel(dt);
}
private void ExporttoExcel(DataTable table)
{
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.ClearContent();
HttpContext.Current.Response.ClearHeaders();
HttpContext.Current.Response.Buffer = true;
HttpContext.Current.Response.ContentType = "application/ms-excel";
//HttpContext.Current.Response.ContentType = "application/ms-word";
HttpContext.Current.Response.Write(@"<!DOCTYPE HTML PUBLIC ""-//W3C//DTD HTML 4.0 Transitional//EN"">");
HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment;filename=Reports" + DateTime.Now.ToString("ddMMyyyyhhmmss") + ".xls");
//HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment;filename=Reports.doc");
HttpContext.Current.Response.Charset = "utf-8";
HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.GetEncoding("windows-1250");
HttpContext.Current.Response.Write("<font style='font-size:10.0pt; font-family:Calibri;'>");
HttpContext.Current.Response.Write("<BR><BR><BR>");
HttpContext.Current.Response.Write("<Table border='1' bgColor='#ffffff' borderColor='#000000' cellSpacing='0' cellPadding='0' style='font-size:10.0pt; font-family:Calibri; background:white;'> <TR>");
int columnscount = table.Columns.Count;
for (int j = 0; j < columnscount; j++)
{
HttpContext.Current.Response.Write("<Td style='background:#ebf442'>");
HttpContext.Current.Response.Write("<B>");
HttpContext.Current.Response.Write(table.Columns[j].ColumnName.ToString());
HttpContext.Current.Response.Write("</B>");
HttpContext.Current.Response.Write("</Td>");
}
HttpContext.Current.Response.Write("</TR>");
foreach (DataRow row in table.Rows)
{
HttpContext.Current.Response.Write("<TR>");
for (int i = 0; i < table.Columns.Count; i++)
{
HttpContext.Current.Response.Write("<Td>");
HttpContext.Current.Response.Write(row[i].ToString());
HttpContext.Current.Response.Write("</Td>");
}
HttpContext.Current.Response.Write("</TR>");
}
HttpContext.Current.Response.Write("</Table>");
HttpContext.Current.Response.Write("</font>");
HttpContext.Current.Response.Flush();
HttpContext.Current.Response.End();
}
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