Web Forms :: Possible To Display Web Pages On It
Nov 17, 2010Is it possible to display and Asp.net web form and have a little window/area inside of the web form that can display web pages?
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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" [URL]">
<html xmlns="[URL]
<head runat="server">
<title>My Mini Book Store</title>
<link href="styles.css" type="text/css" rel="Stylesheet" />
</head>
<body>
<div id="container">
<form id="form1" runat="server" defaultbutton="submit">
<h1 style="text-align: center">My Mini Book Store</h1>
<p>
Keyword Search:
<asp:TextBox ID="keyword" runat="server"></asp:TextBox>
<asp:Button ID="submit"
runat="server" Text="Search" />
<asp:Button ID="Reset" runat="server" Text="Reset" onclick="Reset_Click" />
</p>
<p>
<asp:label id="message" runat="server"/>
</p>
<p>
<asp:AccessDataSource ID="AccessDataSource1" runat="server"
DataFile="~/App_Data/Books.mdb"
SelectCommand="SELECT [title], [ISBN], [editionNumber], [price] FROM [Titles] WHERE ([title] LIKE '%' + ? + '%')"
onselected="AccessDataSource1_Selected">
<SelectParameters>
<asp:ControlParameter ControlID="keyword" Name="title" PropertyName="Text"
Type="String" />
</SelectParameters>
</asp:AccessDataSource>
<asp:GridView ID="GridView1" runat="server" AllowPaging="True"
AllowSorting="True" AutoGenerateColumns="False" CellPadding="4"
DataKeyNames="ISBN" DataSourceID="AccessDataSource1" ForeColor="#333333"
GridLines="None" PageSize="15">
<RowStyle BackColor="#EFF3FB" />
<Columns>
<asp:BoundField DataField="title" HeaderText="Title" SortExpression="title" />
<asp:BoundField DataField="ISBN" HeaderText="ISBN" ReadOnly="True"
SortExpression="ISBN" />
<asp:BoundField DataField="editionNumber" HeaderText="Edition Number"
SortExpression="editionNumber" >
<ItemStyle HorizontalAlign="Right" />
</asp:BoundField>
<asp:BoundField DataField="price" HeaderText="Price" SortExpression="price"
DataFormatString="{0:c}" >
<ItemStyle HorizontalAlign="Right" />
</asp:BoundField>
</Columns>
<FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" />
<SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" />
<HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
<EditRowStyle BackColor="#2461BF" />
<AlternatingRowStyle BackColor="White" />
</asp:GridView>
</p>
</form>
</div>
</body>
</html>
Here's the code for Default2.aspx.cs...
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class Default2 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Reset_Click(object sender, EventArgs e)
{
keyword.Text = "";
message.Text = "";
}
protected void AccessDataSource1_Selected(object sender, SqlDataSourceStatusEventArgs e)
{
if (keyword.Text == "")
{
message.Text = "Please enter a keyword(s).";
}
else
{
message.Text = "Found " + Convert.ToString(e.AffectedRows) + " records with the keyword(s): " + keyword.Text;
}
}
}
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<asp:GridView runat="server" id="GridView1" AutoGenerateColumns="False" DataSourceID="AccessDataSource1" CellPadding="3" AllowPaging="True" AllowSorting="True" BorderStyle="Solid" BackColor="White" BorderColor="#70C8D0" BorderWidth="1px">
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**********************************************************************************
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Visual Studio :: Load Images From Database To Display In Image Content In Web Pages?
Dec 27, 2010i have encountered a problem on how to load the database images to be display in the Image content in the web pages. I am currently using an Access database with a table "Images" and there are 4 columns in it. "ImageID", "ImageDescription","ImageofPicture","Description". Below is my code: Words highlighted in bold is where the problem occurs. No image is display in the Image box but theres a red cross at the top left. Image description is displaying fine in the textboxes
int MaxRows = 0;
int inc = 0;
int inc1 = 1;
int inc2 = 2;
int inc3 = 3;
System.Data.OleDb.OleDbConnection cs;
System.Data.OleDb.OleDbDataAdapter dta;
DataSet ds1;
byte[] photo_array;
protected void Page_Load(object sender, EventArgs e)
{
cs = new System.Data.OleDb.OleDbConnection();
//tell the program where the database is located
cs.ConnectionString = "Provider=Microsoft.Jet.OleDb.4.0;Data Source=C:\Users\Admin\Desktop\Website1\App_Data\Database.mdb";
ds1 = new DataSet();
string sql = "SELECT * From Images ORDER BY ImageDescription ASC";
dta = new System.Data.OleDb.OleDbDataAdapter(sql, cs);
cs.Open();
dta.Fill(ds1, "Images");
Navigation();
//MaxRows equals to the total amount of records from the database
MaxRows = ds1.Tables["Images"].Rows.Count;
}
private void Navigation()
{
//get the first records from the database
DataRow dtaRow = ds1.Tables["Images"].Rows[inc];
//get column values in the row
TextBox3.Text = dtaRow.ItemArray.GetValue(1).ToString();
TextBox7.Text = dtaRow.ItemArray.GetValue(3).ToString();
DataRow dtaRow1 = ds1.Tables["Images"].Rows[inc1];
TextBox4.Text = dtaRow1.ItemArray.GetValue(1).ToString();
TextBox2.Text = dtaRow1.ItemArray.GetValue(3).ToString();
DataRow dtaRow2 = ds1.Tables["Images"].Rows[inc2];
TextBox5.Text = dtaRow2.ItemArray.GetValue(1).ToString();
TextBox8.Text = dtaRow2.ItemArray.GetValue(3).ToString();
DataRow dtaRow3 = ds1.Tables["Images"].Rows[inc3];
TextBox6.Text = dtaRow3.ItemArray.GetValue(1).ToString();
TextBox9.Text = dtaRow3.ItemArray.GetValue(3).ToString();
//if 3rd column value is not null
if (ds1.Tables[0].Rows[inc][2] != System.DBNull.Value)
{
Image5.ImageUrl = "ImageHandler.ashx?ImageDescription=" + TextBox3.Text;
}
if (ds1.Tables[0].Rows[inc1][2] != System.DBNull.Value)
{
Image5.ImageUrl = "ImageHandler.ashx?ImageDescription=" + TextBox4.Text;
}
if (ds1.Tables[0].Rows[inc2][2] != System.DBNull.Value)
{
Image5.ImageUrl = "ImageHandler.ashx?ImageDescription=" + TextBox5.Text;
}
if (ds1.Tables[0].Rows[inc3][2] != System.DBNull.Value)
{
Image5.ImageUrl = "ImageHandler.ashx?ImageDescription=" + TextBox6.Text;
}
}
}
Code for ImageHandler.ashx:
using System;
using System.Web;
using System.Data.OleDb;
public class ImageHandler : IHttpHandler {
public void ProcessRequest (HttpContext context) {
string qry = "SELECT ImageofPicture FROM Images WHERE ImageDescription = ?";
string connect = "Provider=Microsoft.Jet.OleDb.4.0;Data Source=C:\Users\Admin\Desktop\Website1\App_Data\Database.mdb";
using (OleDbConnection conn = new OleDbConnection(connect))
{
if (context.Request.QueryString["id"] != null)
{
OleDbCommand cmd = new OleDbCommand(qry, conn);
cmd.Parameters.AddWithValue("", context.Request.QueryString["id"]);
conn.Open();
using (OleDbDataReader rdr = cmd.ExecuteReader())
{
if (rdr.HasRows)
{
rdr.Read();
context.Response.ContentType = "image/jpeg";
context.Response.BinaryWrite((byte[])rdr["ImageofPicture"]);
}
}
}
}
}
public bool IsReusable {
get {
return false;
}
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