Export selected (checked) GridView Rows to PDF in ASP.Net

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C#

ASP.NET

Could not find a part of the path of the image


Asp.net

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" Width="624px" CssClass="grid" OnRowCommand="OnRowCommand"
AllowPaging="True" AllowSorting="True" BackColor="White" OnRowEditing="GridView1_RowEditing" OnRowCancelingEdit="GridView1_RowCancelingEdit"
BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px" CellPadding="3" PageSize = "5"
OnRowUpdating="GridView1_RowUpdating" OnRowDeleting="GridView1_RowDeleting" DataKeyNames="id" OnSelectedIndexChanged="GridView1_SelectedIndexChanged">

<columns> <asp:TemplateField>
<HeaderTemplate>
<asp:CheckBox ID="chkHeader" runat="server" onclick="CheckAll(this)"/>
</HeaderTemplate>
<itemtemplate>
<asp:CheckBox ID="chkchild" runat="server" />


<asp:BoundField DataField="id" HeaderText="id" SortExpression="id" InsertVisible="False" ReadOnly="True" />
<asp:BoundField DataField="updatedby" HeaderText="updatedby" SortExpression="updatedby" />
<asp:BoundField DataField="username" HeaderText="username" SortExpression="username" />
<asp:BoundField DataField="password" HeaderText="password" SortExpression="password" />
<asp:BoundField DataField="mail" HeaderText="mail" SortExpression="mail" />

<asp:BoundField DataField="imagename" HeaderText="imagename" SortExpression="imagename" />
<%--<asp:CommandField ShowEditButton="true" ButtonType="image" EditImageUrl="~/images/delete.jpg" HeaderText="Delete" />--%>

<asp:ImageField DataImageUrlField="uploadimage" HeaderText="uploadimage" ControlStyle-Width = "60" ControlStyle-Height = "100">



<asp:CommandField ShowEditButton="True" />

<asp:TemplateField HeaderText="Delete" >
<itemtemplate>
<asp:ImageButton ID="ImageButton2" runat="server" ImageUrl="~/images/delete.jpg"
OnClientClick="return confirm('Are you sure you want to delete?')" Text="Delete" CommandName="Delete" />


<asp:TemplateField HeaderText="Update">
<itemtemplate>
<asp:LinkButton ID="link" runat="server" Text="Choose" CssClass="linkbutton" CommandName="Choose">


<asp:TemplateField HeaderText="Print">
<itemtemplate>

<asp:ImageButton ID="excel" runat="server" ImageUrl="images/excel-icon.png" OnClick="excel_Click" />

<asp:ImageButton ID="pdf" runat="server" ImageUrl="images/PDF-icon.png" OnClick="pdf_Click1"/>

<asp:ImageButton ID="word" runat="server" ImageUrl="images/MS-Office-2003-Word-icon.png" OnClick="word_Click"/>

<asp:TemplateField HeaderText="Report">
<itemtemplate>
<asp:Button ID="Button5" runat="server" Text="Get details" BackColor="#33CCFF" CssClass="getdetails" OnClick="Button5_Click"/>




<footerstyle backcolor="White" forecolor="#000066">
<HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
<pagerstyle backcolor="White" forecolor="#000066" horizontalalign="Left">
<rowstyle forecolor="#000066">
<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
<sortedascendingcellstyle backcolor="#F1F1F1">
<sortedascendingheaderstyle backcolor="#007DBB">
<sorteddescendingcellstyle backcolor="#CAC9C9">
<sorteddescendingheaderstyle backcolor="#00547E">




C# code

protected void pdf_Click1(object sender, ImageClickEventArgs e)
{
using (StringWriter sw = new StringWriter())
{
using (HtmlTextWriter hw = new HtmlTextWriter(sw))
{


GridView1.Columns[0].Visible = false; //Hide the Column containing CheckBox
foreach (GridViewRow row in GridView1.Rows)
{
if (row.RowType == DataControlRowType.DataRow)
{

row.Visible = (row.FindControl("chkchild") as CheckBox).Checked; //Hide the Row if CheckBox is not checked
}
}

GridView1.RenderControl(hw);
StringReader sr = new StringReader(sw.ToString());
Document pdfDoc = new Document(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();
}
}
}