My database still "blank" after saving datas?

Aug 14 2013 5:31 AM

Hi!

I put some fully codes files that I am trying to make some practices to understand very well the process. Then after clicking to the saving's button. Then when I check to my database it's still blank (there is not datas inside). But whe running the site there is not error message. The only think he doesnt save in my database. What wrong?

.default.aspx

<%@ 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>
        <table width="70%">
            <tr>
                <td style="width: 109px; height: 21px">
                    Enter Emp Name :</td>
                <td style="width: 16px; height: 21px">
                    <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox></td>
            </tr>
            <tr>
                <td style="width: 109px">
                    Enter Emp Add :</td>
                <td style="width: 16px">
                    <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox></td>
            </tr>
            <tr>
                <td style="width: 109px">
                    Select Photo :</td>
                <td style="width: 16px">
                    <asp:FileUpload ID="FileUpload1" runat="server" />
                    <asp:Label ID="StatusLabel" runat="server"></asp:Label></td>
            </tr>
            <tr>
                <td colspan="2">
                    <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Save" /></td>
            </tr>
        </table>

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

/////////////////////////////////////////

default.asp.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.Data.SqlClient;
using System.IO;

public partial class _Default : System.Web.UI.Page
{
    string strcon = "Data Source=localhost\\sqlexpress;Integrated Security=true;Initial Catalog=Mfwamba";
    SqlConnection con;
    SqlDataAdapter da;
    DataSet ds;
    SqlCommand cmd;
    byte[] raw;

    protected void Page_Load(object sender, EventArgs e)
    {

    }

    protected void Button1_Click(object sender, EventArgs e)
    {
        try
        {
            if ((FileUpload1.FileName != ""))
            {
                //to allow only jpg gif and png files to be uploaded.
                string extension = Path.GetExtension(FileUpload1.PostedFile.FileName);
                if (((extension == ".jpg") || ((extension == ".gif") || (extension == ".png"))))
                {
                    FileStream fs = new FileStream(FileUpload1.PostedFile.FileName, FileMode.OpenOrCreate, FileAccess.ReadWrite);
                    raw = new byte[fs.Length];
                    fs.Read(raw, 0, Convert.ToInt32(fs.Length));
                    con = new SqlConnection(strcon);
                    cmd = new SqlCommand("prcInsert", con);
                    cmd.CommandType = CommandType.StoredProcedure;
                    cmd.Parameters.AddWithValue("@name", TextBox1.Text);
                    cmd.Parameters.AddWithValue("@add", TextBox2.Text);
                    cmd.Parameters.AddWithValue("@photo", raw);
                    con.Open();
                    int rows = cmd.ExecuteNonQuery();
                    if (rows > 0)
                    {
                        string script = "<script>alert('Data Added Successfully')</script>";
                        Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "Added", script);
                        TextBox1.Text = "";
                        TextBox2.Text = "";
                    }
                    else
                    {
                        string script = "<script>alert('Error Adding Data')</script>";
                        Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "Error", script);
                    }
                }
                else
                {
                    StatusLabel.Text = "Only Jpg,gif or Png files are permitted";
                }
            }
            else
            {
                StatusLabel.Text = "Kindly Select a File.....";
            }
            con.Close();
        }
        catch (Exception e1)
        {

        }
    }
}
///////////////////////////////////

handler.ashx

<%@ WebHandler Language="C#" Class="Handler" %>

using System;
using System.Data;
using System.Configuration;
using System.Collections;
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 class Handler : IHttpHandler {

    public void ProcessRequest (HttpContext context)
    {
        //context.Response.ContentType = "text/plain";
        //context.Response.Write("Hello World");
        if (context.Request.QueryString["id"] != null)
        {
            // context.Response.Write(context.Request.QueryString["id"]);
            //string dbcon = ConfigurationManager.ConnectionStrings["AdvWorks"].ConnectionString;
            string dbcon = ConfigurationManager.ConnectionStrings["mfwamba"].ConnectionString;
            SqlConnection con = new SqlConnection(dbcon);
            con.Open();
            SqlCommand cmd = new SqlCommand("Select imPhoto from Emp where Empid=@empid", con);
            cmd.Parameters.AddWithValue("@empid", context.Request.QueryString["id"].ToString());
            SqlDataReader dr = cmd.ExecuteReader();
            dr.Read();
            context.Response.BinaryWrite((byte[])dr["imPhoto"]);
            dr.Close();
            con.Close();
        }
        else
        {
            context.Response.Write("No Image Found");
        }
    }
    public bool IsReusable
    {
        get
        {
            return false;
        }
    }
}
///////////////////////////////////////////

showDetails.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="ShowDetails.aspx.cs" Inherits="ShowDetails" %>

<!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>
        <table>
            <tr>
                <td style="height: 74px">
                    Enter a Employee ID To be Searched
                </td>
                <td style="height: 74px">
                    <asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True" DataSourceID="SqlDataSource1"
                        DataTextField="EmpId" DataValueField="EmpId"></asp:DropDownList>
                        <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:Mfwamba %>"
                        SelectCommand="SELECT EmpId, EmpName, EmpAdd, imPhoto FROM Emp"></asp:SqlDataSource>
                    <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Search" />
                </td>
            </tr>
            <tr>
                <td>
                    Employee Image :
                </td>
                <td valign="top">
                    <asp:Image ID="Image1" runat="server" ImageUrl='<%# "~/Handler.ashx?ID=" + Eval("EmpID")%>' /></td>
            </tr>
            <tr>
                <td>
                    Employee Name :
                </td>
                <td>
                     <asp:Label ID="Label1" runat="server"></asp:Label></td>
            </tr>
            <tr>
                <td>
                    Employee Address :
                </td>
                <td>
                     <asp:Label ID="Label2" runat="server"></asp:Label></td>
            </tr>
        </table>

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

showDetails.aspx.cs

public partial class ShowDetails : System.Web.UI.Page
{
    string strcon = "Data Source=localhost\\sqlexpress;Integrated Security=true;Initial Catalog=Mfwamba";
    SqlConnection con;
    SqlCommand cmd;
    protected void Page_Load(object sender, EventArgs e)
    {
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        con = new SqlConnection(strcon);
        con.Open();
        cmd = new SqlCommand("Select * from Emp where Empid=@id", con);
        cmd.Parameters.AddWithValue("@id", DropDownList1.Text);
        SqlDataReader dr = cmd.ExecuteReader();
        dr.Read();
        if (dr.HasRows)
        {
            Label1.Text = dr[1].ToString();
            Label2.Text = dr[2].ToString();
            Image1.ImageUrl = "~/Handler.ashx?id=" + DropDownList1.Text;
        }
        con.Close();
    }
}

/////////////////////////////////////////////////

web.config

<?xml version="1.0"?>
<configuration>
<connectionStrings>
    
    <add name="Mfwamba" connectionString="server=localhost;Database=Mfwamba;Integrated Security=True;"/>
</connectionStrings>
<system.web>
    <compilation debug="true"/>
</system.web>
</configuration>

Thanx,
Israel.

Answers (10)

adding and persisting multiple dynamic usercontrols.

need suggestions from seniors