protected void btnExportExcel_Click(object sender, EventArgs e)
{
// Clear all content output from the buffer stream
Response.ClearContent();
// Specify the default file name using "content-disposition" RESPONSE header
Response.AppendHeader("content-disposition", "attachment; filename=FeedbackReply" + DateTime.Now + ".xls");
// Set excel as the HTTP MIME type
Response.ContentType = "application/excel";
// Create an instance of stringWriter for writing information to a string
System.IO.StringWriter stringWriter = new System.IO.StringWriter();
// Create an instance of HtmlTextWriter class for writing markup
// characters and text to an ASP.NET server control output stream
HtmlTextWriter htw = new HtmlTextWriter(stringWriter);
// Set white color as the background color for gridview header row
GrdFeedback.HeaderRow.Style.Add("background-color", "#FFFFFF");
// Hide Particular Header and Cell of gridview
foreach (GridViewRow row in GrdFeedback.Rows)
{
GrdFeedback.HeaderRow.Cells[4].Visible = false;
row.Cells[4].Visible = false;
GrdFeedback.HeaderRow.Cells[7].Visible = false;
row.Cells[7].Visible = false;
GrdFeedback.HeaderRow.Cells[8].Visible = false;
row.Cells[8].Visible = false;
}
// Set background color of each cell of GridView1 header row
foreach (TableCell tableCell in GrdFeedback.HeaderRow.Cells)
{
tableCell.Style["background-color"] = "#2873F0";
}
// Set background color of each cell of each data row of GridView1
foreach (GridViewRow gridViewRow in GrdFeedback.Rows)
{
gridViewRow.BackColor = System.Drawing.Color.White;
foreach (TableCell gridViewRowTableCell in gridViewRow.Cells)
{
gridViewRowTableCell.Style["background-color"] = "#FFFFFF";
}
}
GrdFeedback.RenderControl(htw);
Response.Write(stringWriter.ToString());
Response.End();
}
public void GetFeedbackDetails()
{
try
{
obj = new AcknowledgementBL();
DataTable dt = obj.GetFeedbacDetailskBL("GetFeedbackDetails", Session["UserId"].ToString());
if (dt.Rows.Count > 0)
{
GrdFeedback.DataSource = dt;
GrdFeedback.DataBind();
}
else
{
GrdFeedback.DataSource = dt;
GrdFeedback.DataBind();
}
}
catch (Exception ex)
{
LogError(ex);
}
}
