How we can retrieve the image from the database?

im little confused by the above code, if you wanna retrieve the image form the database on image button of asp.net page, you can get some template this image processing , good luck.

Stored procedure

CREATE PROCEDURE insert_employee
(      
@UserName varchar(50),
@Password varchar(50),
@address varchar(50),
@image varchar(50)
)
AS
Insert into employee values(@UserName,@Password,@address,@image)

CREATE PROCEDURE update_employee
(
@id int,
@UserName varchar(50),
@address varchar(50)
)
AS
update employee set UserName=@UserName,address=@address where id=@id
CREATE PROCEDURE delete_employee
(@id int)
AS
Delete from employee where id=@id

Default.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="Display_image_username_after_login._Default" %>





   


   

   

   
   
       
           
           
       
       
       
           
           
       
       
       
       
           
           
       
       
           
           
       
       
           
           
       
       
           
       
       

Name	ControlToValidate="txt_name" ErrorMessage="Please enter the name">
Password	ControlToValidate="txt_password" ErrorMessage="Please enter the password">
Address	ControlToValidate="txt_address" ErrorMessage="Please enter the address">
Image	ControlToValidate="FileUpload1" ErrorMessage="Please browse the image">
	Text="Insert" />
onrowcancelingedit="GridView1_RowCancelingEdit"                     onrowdeleting="GridView1_RowDeleting" onrowediting="GridView1_RowEditing"                     onrowupdating="GridView1_RowUpdating"                     onselectedindexchanging="GridView1_SelectedIndexChanging"                     BackColor="#CC3300" ForeColor="Black">                                                                                                                                                                                                               Text='<%# Eval("UserName") %>'>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              CommandName="Update">Update                                                                     CommandName="Cancel">Cancel                                                                                                                                                            CommandName="Edit">Edit                                                                                                                                                                                                                             CommandName="Delete"                                     onclientclick="return confirm('Are you sure you want to delete this record')">Delete

   

    Login
   

Default.aspx.cs

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.SqlClient;
using System.IO;
namespace Display_image_username_after_login
{
    public partial class _Default : System.Web.UI.Page
    {
        string strConnString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
        string s1;
        string path;
        SqlConnection cnn = new SqlConnection();
        SqlCommand com = new SqlCommand();
        SqlDataAdapter sqlda;
        DataTable dt;
        int id;
        string name;
        string address;
        string image;

       
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                bindgrid();
            }
        }

        protected void btn_insert_Click(object sender, EventArgs e)
        {
            if (FileUpload1.PostedFile.ContentLength > 0)
            {
                s1 = Path.GetFileName(FileUpload1.FileName);
                path = Server.MapPath("images") + "/" + s1;
                FileUpload1.SaveAs(path);
            }

            SqlConnection con = new SqlConnection(strConnString);
            con.Open();
            SqlCommand com = new SqlCommand("insert_employee", con);
            com.CommandType = CommandType.StoredProcedure;
            com.Connection = con;
            com.Parameters.AddWithValue("@UserName", txt_name.Text);
            com.Parameters.AddWithValue("@Password", txt_password.Text);
            com.Parameters.AddWithValue("@address", txt_address.Text);
            com.Parameters.AddWithValue("@image", s1);
            com.ExecuteNonQuery();
            com.Dispose();
            bindgrid();
            con.Close();
            clear();
        }
        private void clear()
        {
            txt_name.Text = "";
            txt_password.Text = "";
            txt_address.Text = "";
        }
        private void bindgrid()
        {
            SqlConnection con = new SqlConnection(strConnString);
            con.Open();
            sqlda = new SqlDataAdapter("SELECT * FROM employee ", con);
            dt = new DataTable();
            sqlda.Fill(dt);
            sqlda.Dispose();
            GridView1.DataSource = dt;
            GridView1.DataBind();
            con.Close();
        }

        protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            SqlConnection con = new SqlConnection(strConnString);
            con.Open();
            try
            {

                id = Convert.ToInt32(((Label)(GridView1.Rows[e.RowIndex].FindControl("label2"))).Text);

                SqlCommand com = new SqlCommand("delete_employee", con);
                com.CommandType = CommandType.StoredProcedure;
                com.Connection = con;
                com.Parameters.Add("@id", SqlDbType.Int).Value = id;
                SqlDataAdapter sqlda = new SqlDataAdapter("select * from employee where id=@id", con);

                sqlda.SelectCommand.Parameters.Add("@id", SqlDbType.Int).Value = id;
                DataSet ds = new DataSet();
                sqlda.Fill(ds);
                try
                {
                    image = Convert.ToString(ds.Tables[0].Rows[0]["image"]);
                    File.Delete(Server.MapPath("images") + "\\" + image);
                }
                catch (Exception)
                {

                }
                com.ExecuteNonQuery();
                com.Dispose();
                bindgrid();
            }
            catch (Exception)
            {

            }
        }

        protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
        {
            GridView1.EditIndex = -1;
            bindgrid();
        }

        protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
        {
            GridView1.EditIndex = e.NewEditIndex;
            bindgrid();
        }

        protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
        {
            SqlConnection con = new SqlConnection(strConnString);
            con.Open();

            id = Convert.ToInt32(((Label)(GridView1.Rows[e.RowIndex].FindControl("label4"))).Text);
            name = (((TextBox)(GridView1.Rows[e.RowIndex].FindControl("txt_name"))).Text);
            address = (((TextBox)(GridView1.Rows[e.RowIndex].FindControl("txt_address"))).Text);
            SqlCommand com = new SqlCommand("update_employee", con);
            com.CommandType = CommandType.StoredProcedure;
            com.Connection = con;
            com.Parameters.Add("@id", SqlDbType.Int).Value = id;
            com.Parameters.Add("@UserName", SqlDbType.VarChar, 50).Value = name;
            com.Parameters.Add("@address", SqlDbType.VarChar, 50).Value = address;
            com.ExecuteNonQuery();
            com.Dispose();
            con.Close();
            GridView1.EditIndex = -1;
            bindgrid();
        }

        protected void GridView1_SelectedIndexChanging(object sender, GridViewSelectEventArgs e)
        {
            GridView1.PageIndex = e.NewSelectedIndex;
            bindgrid();
        }
    }
}

Login.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Login.aspx.cs" Inherits="Display_image_username_after_login.Login" %>





   


   

   

   

                 Width="100px" BackColor="#FFFF66" ForeColor="#FF3300">
       
                    ControlToValidate="TextBox_user_name" ErrorMessage="Please enter the UserName">
       

                    Width="100px" BackColor="#FFFF66" ForeColor="#FF3300">
                    TextMode="Password" Width="100px">
                    ControlToValidate="TextBox_password" ErrorMessage="Please enter the Password">
       

                    BackColor="#CCFF99" onclick="btn_login_Click"  />

   

   

Login.aspx.cs
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.SqlClient;
namespace Display_image_username_after_login
{
    public partial class Login : System.Web.UI.Page
    {
        string strConnString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
        string str;
        SqlCommand com;

        protected void btn_login_Click(object sender, EventArgs e)
        {
            object obj = null;
            SqlConnection con = new SqlConnection(strConnString);
            con.Open();
            str = "select count(*) from employee where UserName=@UserName and Password =@Password";
            com = new SqlCommand(str, con);
            com.CommandType = CommandType.Text;
            Session["UserName"] = TextBox_user_name.Text;
            com.Parameters.AddWithValue("@UserName", Session["UserName"]);
            com.Parameters.AddWithValue("@Password", TextBox_password.Text);
            obj = com.ExecuteScalar();
            if ((int)(obj) != 0)
            {
                Response.Redirect("Welcome.aspx");
            }
            else
            {
                lb1.Text = "Invalid User name and Password";
                clear();
            }
            con.Close();
        }
        private void clear()
        {
            TextBox_user_name.Text = "";
            TextBox_password.Text = "";
        }
    }
}

Welcome.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Welcome.aspx.cs" Inherits="Display_image_username_after_login.Welcome" %>





   


   

   

    
        BackColor="#CC3300" ForeColor="Black" ShowHeader="False" >
   
  
   
   
   
   
   
   
   

   

Welcome.aspx.cs
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.SqlClient;
namespace Display_image_username_after_login
{
    public partial class Welcome : System.Web.UI.Page
    {
        string strConnString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
        string str;
        SqlDataAdapter sqlda;
        DataTable dt;

        protected void Page_Load(object sender, EventArgs e)
        {
            lb1.Text = "" + "WELLCOME :: " + "" + "" + Session["UserName"] + "";
            if (!IsPostBack)
            {
                bindgrid();
            }
        }
        private void bindgrid()
        {
            string UserName = (string)Session["UserName"];
            SqlConnection con = new SqlConnection(strConnString);
            con.Open();
            str = "select image from employee where UserName='" + UserName + "'";
            sqlda = new SqlDataAdapter(str, con);
            dt = new DataTable();
            sqlda.Fill(dt);
            sqlda.Dispose();
            GridView1.DataSource = dt;
            GridView1.DataBind();
            con.Close();
        }
    }
}