Download Images in Grid Rar Format

<table width="100%">
<tr>
<td align="center">
<asp:GridView ID="GvStudentDetails" runat="server" SkinID="GridViewDesign"
AutoGenerateColumns="false" Width="50%"
onrowcommand="GvStudentDetails_RowCommand"
onpageindexchanging="GvStudentDetails_PageIndexChanging" PageIndex="5"
AllowPaging="true" PageSize="6"
>
<Columns>
<asp:TemplateField HeaderText="Sid">
<ItemTemplate >
<asp:Label ID="lblstuid" runat="server" Text='<%# bind("varStudentCode") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="SName">
<ItemTemplate >
<asp:Label ID="lblstuname" runat="server" Text='<%# BInd("varFirstName") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="StuImageCode">
<ItemTemplate >
<asp:Label ID="lblimagecode" runat="server"
Text='<%# BInd("varGeneratedCode") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Filepath">
<ItemTemplate >
<%--<asp:Label ID="lblFileName" runat="server" Text='<%# Eval("FileName") %>' />--%>
<asp:Image ID="Image1" runat="server" ImageUrl='<%# Bind("FilePath") %>' Height="50px" Width="50px" />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField >
<HeaderTemplate>
<asp:CheckBox ID="chkimg" runat="server" oncheckedchanged="chkimg_CheckedChanged" AutoPostBack="true"/>
</HeaderTemplate>
<ItemTemplate>
<asp:CheckBox ID="chkitem" runat="server" />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField >
<ItemTemplate>
<asp:LinkButton ID="LinkButton1" runat="server" Text="Download"
CommandName="Download" Visible="false" CommandArgument='<%# Bind("FilePath") %>' ></asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
</Columns>

</asp:GridView>

</td>
<td>

</td>
<td>
<asp:Button ID="Button1" runat="server" Text="DownloadAll"
onclick="Button1_Click1" style="height: 26px"
/>
</td>
</tr>
</table>

</form>
</body>
</html>

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.OleDb;
using System.IO;
using ICSharpCode.SharpZipLib.Zip;

public partial class Scarch_Values : System.Web.UI.Page
{
static OleDbDataAdapter da = new OleDbDataAdapter();
static OleDbCommand cmd = new OleDbCommand();
static DataSet ds = new DataSet();
static string chkimg;
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
LoadAge();
LoadClass();
LoadStudentName();
LoadDates();

}

}

private void LoadDates()
{
string path = Server.MapPath("~/Database/Test.mdb");
string strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + path + ";";
da = new OleDbDataAdapter("Select dateOfCreation From tabUploadImage", strConn);
ds = new DataSet();
ds.Reset();
da.Fill(ds, "tabUploadImage");
if (ds.Tables[0].Rows.Count > 0)
{
ddldate.DataSource = ds;
ddldate.DataTextField = "dateOfCreation";
ddldate.DataBind();
}
ddldate.Items.Insert(0, "Select");
}

private void LoadStudentName()
{
string path = Server.MapPath("~/Database/Test.mdb");
string strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + path + ";";
da = new OleDbDataAdapter("Select varFirstName From tabStudent", strConn);
ds = new DataSet();
ds.Reset();
da.Fill(ds, "tabStudent");
if (ds.Tables[0].Rows.Count > 0)
{
ddlStudent.DataSource = ds;
ddlStudent.DataTextField = "varFirstName";
ddlStudent.DataBind();
}
ddlStudent.Items.Insert(0, "Select");
}

private void LoadClass()
{
string path = Server.MapPath("~/Database/Test.mdb");
string strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + path + ";";
da = new OleDbDataAdapter("Select varClass From tabStudent", strConn);
ds = new DataSet();
ds.Reset();
da.Fill(ds, "tabStudent");
if (ds.Tables[0].Rows.Count > 0)
{
ddlClass.DataSource = ds;
ddlClass.DataTextField = "varClass";
ddlClass.DataBind();
}
ddlClass.Items.Insert(0, "Select");
}

private void LoadAge()
{
string path = Server.MapPath("~/Database/Test.mdb");
string strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + path + ";";
da = new OleDbDataAdapter("Select varAge From tabStudent", strConn);
ds = new DataSet();
ds.Reset();
da.Fill(ds, "tabStudent");
if (ds.Tables[0].Rows.Count > 0)
{
ddlAge.DataSource = ds;
ddlAge.DataTextField = "varAge";
ddlAge.DataBind();
}
ddlAge.Items.Insert(0, "Select");
}
protected void radioSearch_SelectedIndexChanged1(object sender, EventArgs e)
{
if (radioSearch.SelectedValue == "Age wise")
{
pnlAge.Visible = true;
pnlClass.Visible = false;
pnlStudent.Visible = false;
pnldate.Visible = false;
}
else if (radioSearch.SelectedValue == "Class wise")
{
pnlAge.Visible = false;
pnlClass.Visible = true;
pnlStudent.Visible = false;
pnldate.Visible = false;
}
else if (radioSearch.SelectedValue == "Student Name wise")
{
pnlAge.Visible = false;
pnlClass.Visible = false;
pnlStudent.Visible = true;
pnldate.Visible = false;
}
else if (radioSearch.SelectedValue == "Date Wise")
{
pnlAge.Visible = false;
pnlClass.Visible = false;
pnlStudent.Visible = false;
pnldate.Visible = true;
}
}

protected void ddlAge_SelectedIndexChanged(object sender, EventArgs e)
{
BIndAgeDetails();
}

private void BIndAgeDetails()
{
string path = Server.MapPath("~/Database/Test.mdb");
string strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + path + ";";
da = new OleDbDataAdapter("SELECT tabStudent.varStudentCode, tabStudent.varFirstName, tabStudent.varGeneratedCode, tabUploadImage.FilePath FROM tabStudent INNER JOIN tabUploadImage ON tabStudent.varStudentCode = tabUploadImage.varStudentCode Where varAge='" + ddlAge.SelectedItem.Text + "'", strConn);
ds = new DataSet();
ds.Reset();
da.Fill(ds);
if (ds.Tables[0].Rows.Count > 0)
{
GvStudentDetails.DataSource = ds;
GvStudentDetails.DataBind();

}
}
protected void ddlClass_SelectedIndexChanged(object sender, EventArgs e)
{
string path = Server.MapPath("~/Database/Test.mdb");
string strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + path + ";";
da = new OleDbDataAdapter("SELECT tabStudent.varStudentCode, tabStudent.varFirstName, tabStudent.varGeneratedCode, tabUploadImage.FilePath FROM tabStudent INNER JOIN tabUploadImage ON tabStudent.varStudentCode = tabUploadImage.varStudentCode Where varClass='" + ddlClass.SelectedItem.Text + "'", strConn);
ds = new DataSet();
ds.Reset();
da.Fill(ds);
if (ds.Tables[0].Rows.Count > 0)
{
GvStudentDetails.DataSource = ds;
GvStudentDetails.DataBind();

}
}
protected void ddlStudent_SelectedIndexChanged(object sender, EventArgs e)
{
string path = Server.MapPath("~/Database/Test.mdb");
string strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + path + ";";
da = new OleDbDataAdapter("SELECT tabStudent.varStudentCode, tabStudent.varFirstName, tabStudent.varGeneratedCode, tabUploadImage.FilePath FROM tabStudent INNER JOIN tabUploadImage ON tabStudent.varStudentCode = tabUploadImage.varStudentCode Where varFirstName='" + ddlStudent.SelectedItem.Text + "'", strConn);
ds = new DataSet();
ds.Reset();
da.Fill(ds);
if (ds.Tables[0].Rows.Count > 0)
{
GvStudentDetails.DataSource = ds;
GvStudentDetails.DataBind();

}
}
protected void ddldate_SelectedIndexChanged(object sender, EventArgs e)
{
string path = Server.MapPath("~/Database/Test.mdb");
string strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + path + ";";
da = new OleDbDataAdapter("SELECT tabStudent.varStudentCode, tabStudent.varFirstName, tabStudent.varGeneratedCode, tabUploadImage.FilePath FROM tabStudent INNER JOIN tabUploadImage ON tabStudent.varStudentCode = tabUploadImage.varStudentCode Where dateOfCreation='" + ddldate.SelectedItem.Text + "'", strConn);
ds = new DataSet();
ds.Reset();
da.Fill(ds);
if (ds.Tables[0].Rows.Count > 0)
{
GvStudentDetails.DataSource = ds;
GvStudentDetails.DataBind();

}
}
protected void GvStudentDetails_RowCommand(object sender, GridViewCommandEventArgs e)
{
//string path = Server.MapPath("~/Database/Test.mdb");
//string strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + path + ";";
//da = new OleDbDataAdapter("SELECT tabStudent.varStudentCode, tabStudent.varFirstName, tabStudent.varGeneratedCode, tabUploadImage.FilePath FROM tabStudent INNER JOIN tabUploadImage ON tabStudent.varStudentCode = tabUploadImage.varStudentCode", strConn);
//DataTable dt = new DataTable();
//dt.Reset();
//da.Fill(dt);
if (e.CommandName == "Download")
{

foreach (GridViewRow gr in GvStudentDetails.Rows)
{
CheckBox chk = (CheckBox)gr.FindControl("chkitem");

LinkButton lb = (LinkButton)gr.FindControl("LinkButton1");
if (chk.Checked)
{
string img = lb.CommandArgument.ToString();
string finalimagename = img.Substring(img.LastIndexOf('/') + 1);

string ss2 = "~/UploadImages/" + finalimagename;
string ss = Server.MapPath(ss2);
DownLoadAllImages(ss,finalimagename,e,sender);

}
}

//foreach (GridViewRow gr in GvStudentDetails.Rows)
//{
// CheckBox chk = (CheckBox)gr.FindControl("chkitem");

// LinkButton lb = (LinkButton)gr.FindControl("LinkButton1");
// if (chk.Checked)
// {
// string img = lb.CommandArgument.ToString();
// string finalimagename = img.Substring(img.LastIndexOf('/') + 1);


// }
//}
//downloadtoOtherFolder();
//string img = e.CommandArgument.ToString();

//string finalimagename = img.Substring(img.LastIndexOf('/')+1);

//System.IO.File.Copy(Server.MapPath("~/UploadImages/Sunset.jpg"), Server.MapPath("~/Images123/Sunset.jpg"));
}
}
public void DownLoadAllImages(string ss, string finalimagename,GridViewCommandEventArgs e,object sender)
{
try
{
Response.ClearContent();
Response.ClearHeaders();
Response.ContentType = "image/jpeg";
Response.AppendHeader("Content-Disposition", "attachment; filename=" + finalimagename);
Response.TransmitFile(ss);
}
catch (Exception ex)
{

}
//GvStudentDetails_RowCommand(sender,e);
//Response.End();
}
public void downloadtoOtherFolder()
{
try
{
foreach (GridViewRow gr in GvStudentDetails.Rows)
{
CheckBox chk = (CheckBox)gr.FindControl("chkitem");

LinkButton lb = (LinkButton)gr.FindControl("LinkButton1");
if (chk.Checked)
{

string img = lb.CommandArgument.ToString();

string finalimagename = img.Substring(img.LastIndexOf('/') + 1);

string img2 = "~/UploadImages/" + finalimagename;
string img3 = "~/Images123/" + finalimagename;

string source = Server.MapPath(img2);
string destination = Server.MapPath(img3);

System.IO.File.Copy(source, destination);
}
}
}
catch (Exception ex)
{
Response.Write(ex.Message);
}
}
protected void chkimg_CheckedChanged(object sender, EventArgs e)
{
try
{
CheckBox chk;
foreach (GridViewRow rowItem in GvStudentDetails.Rows)
{
chk = (CheckBox)(rowItem.Cells[0].FindControl("chkitem"));
chk.Checked = ((CheckBox)sender).Checked;
}
}
catch (Exception ex)
{
Response.Write(ex.Message);
}
}
protected void Button1_Click1(object sender, EventArgs e)
{
ZipAllFiles(); ;
}

private void ZipAllFiles()
{
byte[] buffer = new byte[4096];

var tempFileName = Server.MapPath(@"TempFiles/" + Guid.NewGuid().ToString() + ".zip");

var zipOutputStream = new ZipOutputStream(File.Create(tempFileName));
var filePath = String.Empty;
var fileName = String.Empty;
var readBytes = 0;
foreach (GridViewRow gr1 in GvStudentDetails.Rows)
{
CheckBox chk = (CheckBox)gr1.FindControl("chkitem");

LinkButton lb = (LinkButton)gr1.FindControl("LinkButton1");
string img = lb.CommandArgument.ToString();

string finalimagename = img.Substring(img.LastIndexOf('/') + 1);
var isChecked = (gr1.FindControl("chkitem") as CheckBox).Checked;
if (!isChecked) continue;

filePath = Server.MapPath(img);

fileName = finalimagename;

var zipEntry = new ZipEntry(fileName);

zipOutputStream.PutNextEntry(zipEntry);

using (var fs = File.OpenRead(filePath))
{
do
{
readBytes = fs.Read(buffer, 0, buffer.Length);
zipOutputStream.Write(buffer, 0, readBytes);

}
while (readBytes > 0);
}

if (zipOutputStream.Length == 0)
{
lblMessage.Text = "Please select at least one file!";
return;
}

}
zipOutputStream.Finish();
zipOutputStream.Close();

Response.ContentType = "application/x-zip-compressed";|
Response.AppendHeader("Content-Disposition", "attachment; filename=AllImages.zip");
Response.WriteFile(tempFileName);

Response.Flush();
Response.Close();

// delete the temp file
if (File.Exists(tempFileName))
File.Delete(tempFileName);
}

protected void GvStudentDetails_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
GvStudentDetails.PageIndex = e.NewPageIndex;
BIndAgeDetails();
}
}