displaydatasetitems.aspx.cs

Microsoft?ASP.NET Programming with Microsoft Visual C#?.NET Version 2003 Step By Step

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace Chapter_09
{
	/// <summary>
	/// Summary description for DisplayDataSetItems.
	/// </summary>
	public class DisplayDataSetItems : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Literal Value;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			DataSet MyDS = new DataSet();
			string ConnStr;
			string SQL;
			ConnStr = @"server=(local)\VSdotNET;database=pubs;" +
				"Trusted_Connection=yes";
			SQL = "SELECT * FROM Titles " + "SELECT * FROM Publishers ";
			SqlConnection MySqlConn = new SqlConnection(ConnStr);
			SqlDataAdapter MySqlAdapter = new SqlDataAdapter(SQL,ConnStr);

			MySqlAdapter.Fill(MyDS);
			// Get each DataTable in the DataTable Collection
			// and display each row value by appending it to
			// the Text property of the Literal control.

			foreach ( DataTable CurrentTable in MyDS.Tables )
			{
				Value.Text += "Table: " + 
					CurrentTable.TableName.ToString() + "<br/>";
				Value.Text += "------------------<br/>";
				foreach ( DataRow CurrentRow in CurrentTable.Rows )
				{
					Value.Text += "<br/>&nbsp;&nbsp;&nbsp;";
					foreach ( DataColumn CurrentColumn in CurrentTable.Columns )
					{
						if ( CurrentRow[CurrentColumn] != null )
						{
							if ( CurrentRow[CurrentColumn] != DBNull.Value )
							{
								Value.Text += CurrentRow[CurrentColumn].ToString();
							}
							else
							{
								Value.Text += "NULL";
							}
							Value.Text += "<br/>&nbsp;&nbsp;&nbsp;";
						}
					}
				}
			}
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{    
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
	}
}