GridView

Das Sample, das in jedem Buch fehlt.

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;

public partial class Default4 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        this.GridView1.DataSource = this.CreateTable();
        this.GridView1.DataBind();
    }

    public void RowDataBound(Object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            DataRowView row  = (DataRowView) e.Row.DataItem;
            bool value = (bool) row["BooleanColumn"];
            Label myLabel = (Label) e.Row.FindControl("GridViewLabel");
            if (value)
            {
                myLabel.Text = "Ja";
            }
            else
            {
                myLabel.Text = "Nein";
            }
        }
          
    }

    protected void PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        this.GridView1.PageIndex = e.NewPageIndex;
        this.GridView1.DataBind();
    }


    private DataTable CreateTable()
    {
        DataTable table = new DataTable();

        DataColumn column;
        DataRow row;

        //First Column
        column = new DataColumn();
        column.DataType = typeof(Int32);
        column.ColumnName = "id";
        column.Unique = true;
        table.Columns.Add(column);

        //Second Column
        column = new DataColumn();
        column.DataType = typeof(bool);
        column.ColumnName = "BooleanColumn";                 
        table.Columns.Add(column);

        // Make the ID column the primary key column.
        DataColumn[] PrimaryKeyColumns = new DataColumn[1];
        PrimaryKeyColumns[0] = table.Columns["id"];
        table.PrimaryKey = PrimaryKeyColumns;

        for (int i = 0; i <= 200; i++)
        {
            row = table.NewRow();
            row["id"] = i;
            row["BooleanColumn"] = i%2 == 0 ? true : false;
            table.Rows.Add(row);
        }
        return table;
    }
}