Saturday, December 31, 2011

Save Image without Upload Control 

Table Structure 
-------------------

DatabaseTable 

<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        &nbsp;<asp:TextBox ID="txtName" runat="server"></asp:TextBox>
        <asp:FileUpload ID="FileUpload1" runat="server" /><br />
        <br />
        <asp:Button ID="btnUpload" runat="server" OnClick="btnUpload_Click" Text="Upload" /><br />
        <br />
        <asp:Label ID="lblMessage" runat="server"></asp:Label><br />
        <br />
        <br />
<asp:GridView ID="GridView1" runat="server" 
              AutoGenerateColumns="False" DataKeyNames="ID"
              DataSourceID="SqlDataSource1">
<Columns>
<asp:BoundField DataField="ID" HeaderText="ID" 
                InsertVisible="False" ReadOnly="True"
                               SortExpression="ID" />
<asp:BoundField DataField="ImageName" HeaderText="ImageName" 
                               SortExpression="ImageName" />
<asp:TemplateField HeaderText="Image">
<ItemTemplate>
<table>
<tr>
<td>
<asp:Image ID="Image1" runat="server" 
           ImageUrl='<%# "Handler.ashx?ID=" + Eval("ID")%>'/>
</td>
</tr>
<tr>
<td>
<%--<asp:Image ID="Image2" runat="server" 
           ImageUrl='<%# "Handler.ashx?ID=" + Eval("ID")%>'/>--%>
</td>
</tr>
</table>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" 
ConnectionString="<%$ ConnectionStrings:ConnectionString %>"
SelectCommand="SELECT [ID], [ImageName], [Image] 
              FROM [Images]"></asp:SqlDataSource>
    
    </div>
    </form>
</body>
</html>


using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;
using System.Data.SqlClient;
public partial class _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {
        
    }
    public static byte[] ImageToBinary(string imagePath)
    {
        FileStream fileStream = new FileStream(imagePath, FileMode.Open, FileAccess.Read);
        byte[] buffer = new byte[fileStream.Length];
        fileStream.Read(buffer, 0, (int)fileStream.Length);
        fileStream.Close();
        return buffer;
    }
    protected void btnUpload_Click(object sender, EventArgs e)
    {
        string strImageName = txtName.Text.ToString();
        //if (FileUpload1.PostedFile != null && FileUpload1.PostedFile.FileName != "")
        //{
            FileStream fileStream = new FileStream(@"D:\Aspnet Project\ImagesInGridViewDb\Images\tree.jpg", FileMode.Open, FileAccess.Read);
            byte[] buffer = new byte[fileStream.Length];
            fileStream.Read(buffer, 0, (int)fileStream.Length);
            fileStream.Close();
             ImageToBinary(@"D:\Aspnet Project\ImagesInGridViewDb\Images\tree.jpg");
           
          //   byte[] imageSize = new byte[FileUpload1.PostedFile.ContentLength];
          //  HttpPostedFile uploadedImage = FileUpload1.PostedFile;
           // uploadedImage.InputStream.Read(imageSize, 0, (int)fileStream.Length);
            // Create SQL Connection 
            SqlConnection con = new SqlConnection();
            con.ConnectionString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
            // Create SQL Command 
            SqlCommand cmd = new SqlCommand();
            cmd.CommandText = "INSERT INTO Images(ImageName,Image) VALUES (@ImageName,@Image)";
            cmd.CommandType = CommandType.Text;
            cmd.Connection = con;
            SqlParameter ImageName = new SqlParameter("@ImageName", SqlDbType.VarChar, 50);
            ImageName.Value = strImageName.ToString();
            cmd.Parameters.Add(ImageName);
            SqlParameter UploadedImage = new SqlParameter("@Image", SqlDbType.Image, buffer.Length);
            UploadedImage.Value = buffer;//imageSize;
            cmd.Parameters.Add(UploadedImage);
            con.Open();
            int result = cmd.ExecuteNonQuery();
            con.Close();
            if (result > 0)
                lblMessage.Text = "File Uploaded";
            GridView1.DataBind();
        //}
    }
}



Handler.ashx
------------------
 
<%@ WebHandler Language="C#" Class="Handler" %>
using System;
using System.Web;
using System.Configuration;
using System.Data.SqlClient;
public class Handler : IHttpHandler {
    
    public void ProcessRequest (HttpContext context) 
    {
        SqlConnection con = new SqlConnection();
        con.ConnectionString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
        // Create SQL Command 
        SqlCommand cmd = new SqlCommand();
        cmd.CommandText = "Select ImageName,Image from Images where ID =@ID";
        cmd.CommandType = System.Data.CommandType.Text;
        cmd.Connection = con;
        SqlParameter ImageID = new SqlParameter("@ID", System.Data.SqlDbType.Int);
        ImageID.Value = context.Request.QueryString["ID"];
        cmd.Parameters.Add(ImageID);
        con.Open();
        SqlDataReader dReader = cmd.ExecuteReader();
        dReader.Read();
        context.Response.BinaryWrite((byte[])dReader["Image"]);
        dReader.Close();
        con.Close();
    }
    public bool IsReusable
    {
        get
        {
            return false;
        }
    }
 
    
}



Output
--------
GridViewImage1

  









Posted by
simple money technique


at
11:54 PM






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Save Image to Folder and Database







<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        &nbsp;<asp:TextBox ID="txtName" runat="server"></asp:TextBox>
        <asp:FileUpload ID="FileUpload1" runat="server" /><br />
        <br />
        <asp:Button ID="btnUpload" runat="server" OnClick="btnUpload_Click" Text="Upload" /><br />
        <br />
        <asp:Label ID="lblMessage" runat="server"></asp:Label><br />
        <br />
        <br />
<asp:GridView ID="GridView1" runat="server" 
              AutoGenerateColumns="False" DataKeyNames="ID"
              DataSourceID="SqlDataSource1">
<Columns>
<asp:BoundField DataField="ID" HeaderText="ID" 
                InsertVisible="False" ReadOnly="True"
                               SortExpression="ID" />
<asp:BoundField DataField="ImageName" HeaderText="ImageName" 
                               SortExpression="ImageName" />
<asp:TemplateField HeaderText="Image">
<ItemTemplate>
<table>
<tr>
<td>
<asp:Image ID="Image1" runat="server" 
           ImageUrl='<%# "Handler.ashx?ID=" + Eval("ID")%>'/>
</td>
</tr>
<tr>
<td>
<%--<asp:Image ID="Image2" runat="server" 
           ImageUrl='<%# "Handler.ashx?ID=" + Eval("ID")%>'/>--%>
</td>
</tr>
</table>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" 
ConnectionString="<%$ ConnectionStrings:ConnectionString %>"
SelectCommand="SELECT [ID], [ImageName], [Image] 
              FROM [Images]"></asp:SqlDataSource>
    
    </div>
    </form>
</body>
</html>


Default.aspx.cs
------------------
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;
using System.Data.SqlClient;
public partial class _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {
        
    }
    protected void btnUpload_Click(object sender, EventArgs e)
    {
        string strImageName = txtName.Text.ToString();
        if (FileUpload1.PostedFile != null && FileUpload1.PostedFile.FileName != "")
        {
            byte[] imageSize = new byte[FileUpload1.PostedFile.ContentLength];
            HttpPostedFile uploadedImage = FileUpload1.PostedFile;
            uploadedImage.InputStream.Read(imageSize, 0, (int)FileUpload1.PostedFile.ContentLength);
            // Create SQL Connection 
            SqlConnection con = new SqlConnection();
            con.ConnectionString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
            // Create SQL Command 
            SqlCommand cmd = new SqlCommand();
            cmd.CommandText = "INSERT INTO Images(ImageName,Image) VALUES (@ImageName,@Image)";
            cmd.CommandType = CommandType.Text;
            cmd.Connection = con;
            SqlParameter ImageName = new SqlParameter("@ImageName", SqlDbType.VarChar, 50);
            ImageName.Value = strImageName.ToString();
            cmd.Parameters.Add(ImageName);
            SqlParameter UploadedImage = new SqlParameter("@Image", SqlDbType.Image, imageSize.Length);
            UploadedImage.Value = imageSize;
            cmd.Parameters.Add(UploadedImage);
            con.Open();
            int result = cmd.ExecuteNonQuery();
            con.Close();
            if (result > 0)
                lblMessage.Text = "File Uploaded";
            GridView1.DataBind();
        }
    }
}


Handler.ashx
---------------
<%@ WebHandler Language="C#" Class="Handler" %>
using System;
using System.Web;
using System.Configuration;
using System.Data.SqlClient;
public class Handler : IHttpHandler {
    
    public void ProcessRequest (HttpContext context) 
    {
        SqlConnection con = new SqlConnection();
        con.ConnectionString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
        // Create SQL Command 
        SqlCommand cmd = new SqlCommand();
        cmd.CommandText = "Select ImageName,Image from Images where ID =@ID";
        cmd.CommandType = System.Data.CommandType.Text;
        cmd.Connection = con;
        SqlParameter ImageID = new SqlParameter("@ID", System.Data.SqlDbType.Int);
        ImageID.Value = context.Request.QueryString["ID"];
        cmd.Parameters.Add(ImageID);
        con.Open();
        SqlDataReader dReader = cmd.ExecuteReader();
        dReader.Read();
        context.Response.BinaryWrite((byte[])dReader["Image"]);
        dReader.Close();
        con.Close();
    }
    public bool IsReusable
    {
        get
        {
            return false;
        }
    }
 
    
}


Output:
---------
GridViewImage1
  









Posted by
simple money technique


at
11:43 PM






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Friday, September 2, 2011






Encode Decode QueryString







EncodeQuery.cs
-----------------
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Security.Cryptography;
using System.IO;
using System.Text;
namespace QueryString
{
    public class EncodeQuery
    {
        private static byte[] key = { };
        private static byte[] IV = { 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF };
        private static string EncryptionKey = "!#853g`de";
       
        public string Encrypt(string Input)
        {
          try
           {
                key = System.Text.Encoding.UTF8.GetBytes(EncryptionKey.Substring(0, 8));
                DESCryptoServiceProvider des = new DESCryptoServiceProvider();
                Byte[] inputByteArray = Encoding.UTF8.GetBytes(Input);
                MemoryStream ms = new MemoryStream();
                CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(key, IV), CryptoStreamMode.Write);
                cs.Write(inputByteArray, 0, inputByteArray.Length);
                cs.FlushFinalBlock();
                return Convert.ToBase64String(ms.ToArray());
          }
         catch (Exception ex)
         {
           return "";
         }
       }
    }
}
DecodeQuery.cs
------------------
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Security.Cryptography;
using System.IO;
using System.Text;
namespace QueryString
{
    public class DecodeQuery
    {
        private static byte[] key = { };
        private static byte[] IV = { 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF };
        private static string EncryptionKey = "!#853g`de";
        public string Decrypt(string Input)
        {
            Byte[] inputByteArray = new Byte[Input.Length];
            try
            {
                key = System.Text.Encoding.UTF8.GetBytes(EncryptionKey.Substring(0, 8));
                DESCryptoServiceProvider des = new DESCryptoServiceProvider();
                inputByteArray = Convert.FromBase64String(Input);
                MemoryStream ms = new MemoryStream();
                CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(key, IV), CryptoStreamMode.Write);
                cs.Write(inputByteArray, 0, inputByteArray.Length);
                cs.FlushFinalBlock();
                Encoding encoding = Encoding.UTF8;
                return encoding.GetString(ms.ToArray());
            }
            catch (Exception ex)
            {
                return "";
            }
        }
    }
}




Default.aspx
--------------
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="QueryString._Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div style="height: 138px">
    
        <asp:Button ID="Button1" runat="server" onclick="Button1_Click" 
            Text="Redirect" />
    
    </div>
    </form>
</body>
</html>
Default.aspx.cs
---------------------
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace QueryString
{
    public partial class _Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
        }
        protected void Button1_Click(object sender, EventArgs e)
        {
            EncodeQuery eq = new EncodeQuery();
            Response.Redirect("WebForm1.aspx?" + "Name=" + eq.Encrypt("muruga") +"&LastName=" + eq.Encrypt("S")); 
        }
    }
}
WebForm1.aspx
----------------
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="QueryString.WebForm1" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    
    </div>
    </form>
</body>
</html>
WebForm1.aspx.cs
-------------------
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace QueryString
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            DecodeQuery eq = new DecodeQuery();
            string str1 = eq.Decrypt(Request.QueryString["Name"]);
            string str2 = eq.Decrypt(Request.QueryString["LastName"]);
            Response.Write(str1+" ");
            Response.Write(str2);
        }
    }
}




button1 


button2
  









Posted by
simple money technique


at
11:41 AM






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