Check this example
HTML
<asp:GridView ID="GridView1" HeaderStyle-BackColor="#666666" HeaderStyle-ForeColor="White"
RowStyle-BackColor="#E4E4E4" runat="server" AutoGenerateColumns="false" OnRowDataBound="OnRowDataBound">
<Columns>
<asp:BoundField DataField="Id" HeaderText="Id" ItemStyle-Width="30px" />
<asp:TemplateField HeaderText="Name">
<ItemTemplate>
<asp:HyperLink ID="lnkName" runat="server" NavigateUrl="#" Text='<%# Eval("Name") %>'></asp:HyperLink>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Country">
<ItemTemplate>
<asp:TextBox ID="txtCountry" runat="server" Text='<%# Eval("Country") %>'></asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="DropDownList">
<ItemTemplate>
<asp:DropDownList ID="ddlCountries" runat="server">
<asp:ListItem Text="United States" Value="United States" />
<asp:ListItem Text="India" Value="India" />
<asp:ListItem Text="France" Value="France" />
<asp:ListItem Text="Russia" Value="Russia" />
</asp:DropDownList>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="CheckBoxList">
<ItemTemplate>
<asp:CheckBoxList ID="chkCountries" runat="server" RepeatColumns="2" RepeatDirection="Horizontal">
<asp:ListItem Text="United States" Value="United States" />
<asp:ListItem Text="India" Value="India" />
<asp:ListItem Text="France" Value="France" />
<asp:ListItem Text="Russia" Value="Russia" />
</asp:CheckBoxList>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="RadioButtonList">
<ItemTemplate>
<asp:RadioButtonList ID="rblCountries" runat="server" RepeatColumns="2" RepeatDirection="Horizontal">
<asp:ListItem Text="United States" Value="United States" />
<asp:ListItem Text="India" Value="India" />
<asp:ListItem Text="France" Value="France" />
<asp:ListItem Text="Russia" Value="Russia" />
</asp:RadioButtonList>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<br />
<asp:Button ID="btnExport" runat="server" Text="Export To PDF" OnClick="ExportToPDF" />
Namespaces
using System.IO;
using System.Data;
using System.Collections.Generic;
using iTextSharp.text.pdf;
using iTextSharp.text.html.simpleparser;
Code
protected void Page_Load(object sender, EventArgs e)
{
if (!this.IsPostBack)
{
DataTable dt = new DataTable();
dt.Columns.AddRange(new DataColumn[3] { new DataColumn("Id"), new DataColumn("Name"), new DataColumn("Country") });
dt.Rows.Add(1, "John Hammond", "United States");
dt.Rows.Add(2, "Mudassar Khan", "India");
dt.Rows.Add(3, "Suzanne Mathews", "France");
dt.Rows.Add(4, "Robert Schidner", "Russia");
GridView1.DataSource = dt;
GridView1.DataBind();
}
}
protected void OnRowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
string country = (e.Row.FindControl("txtCountry") as TextBox).Text;
(e.Row.FindControl("ddlCountries") as DropDownList).Items.FindByText(country).Selected = true;
(e.Row.FindControl("chkCountries") as CheckBoxList).Items.FindByText(country).Selected = true;
(e.Row.FindControl("rblCountries") as RadioButtonList).Items.FindByText(country).Selected = true;
}
}
protected void ExportToPDF(object sender, EventArgs e)
{
using (StringWriter sw = new StringWriter())
{
HtmlTextWriter hw = new HtmlTextWriter(sw);
foreach (TableCell cell in GridView1.HeaderRow.Cells)
{
cell.BackColor = GridView1.HeaderStyle.BackColor;
}
foreach (GridViewRow row in GridView1.Rows)
{
foreach (TableCell cell in row.Cells)
{
cell.BackColor = GridView1.RowStyle.BackColor;
List<Control> controls = new List<Control>();
//Add controls to be removed to Generic List
foreach (Control control in cell.Controls)
{
controls.Add(control);
}
//Loop through the controls to be removed and replace then with Literal
foreach (Control control in controls)
{
switch (control.GetType().Name)
{
case "HyperLink":
cell.Controls.Add(new Literal { Text = (control as HyperLink).Text });
break;
case "TextBox":
cell.Controls.Add(new Literal { Text = (control as TextBox).Text });
break;
case "LinkButton":
cell.Controls.Add(new Literal { Text = (control as LinkButton).Text });
break;
case "DropDownList":
cell.Controls.Add(new Literal { Text = (control as DropDownList).SelectedItem.Text });
break;
case "CheckBoxList":
foreach (ListItem item in (control as CheckBoxList).Items)
{
if (item.Selected)
{
cell.Controls.Add(new Literal { Text = item.Text + " " });
}
}
break;
case "RadioButtonList":
cell.Controls.Add(new Literal { Text = (control as RadioButtonList).SelectedItem.Text });
break;
}
cell.Controls.Remove(control);
}
}
}
GridView1.RenderControl(hw);
StringReader sr = new StringReader(sw.ToString());
iTextSharp.text.Document pdfDoc = new iTextSharp.text.Document(iTextSharp.text.PageSize.A4, 10f, 10f, 10f, 0f);
HTMLWorker htmlparser = new HTMLWorker(pdfDoc);
PdfWriter.GetInstance(pdfDoc, Response.OutputStream);
pdfDoc.Open();
htmlparser.Parse(sr);
pdfDoc.Close();
Response.ContentType = "application/pdf";
Response.AddHeader("content-disposition", "attachment;filename=GridViewExport.pdf");
Response.Cache.SetCacheability(HttpCacheability.NoCache);
Response.Write(pdfDoc);
Response.End();
}
}
public override void VerifyRenderingInServerForm(Control control)
{
/* Verifies that the control is rendered */
}
Screenshot
