CheckBoxList Selection

Sunday, 15 August 2010 09:21
listitem-checkboxlist-value-cblist-cblistitemsaddnew
// description of your code here


using System.Web;

using System.Linq;

using System.Web.UI;

using System.Web.UI.WebControls;

public class Class1

{

    CheckBoxList cbList = new CheckBoxList();

    protected void Page_Load(object sender, EventArgs e)

    {

        CheckBoxList cbList = new CheckBoxList();

        cbList.Items.Add(new ListItem() { Text = "Red", Value = "1" });

        cbList.Items.Add(new ListItem() { Text = "Green", Value = "2" });

        cbList.Items.Add(new ListItem() { Text = "Blue", Value = "3" });

        cbList.Items.Add(new ListItem() { Text = "Black", Value = "4" });



        cbList.Items[0].Selected = true;

        cbList.Items[1].Selected = true;

        //updating the value

        string strColors = string.Join(",", cbList.Items.Cast().

                                            Where(t => t.Selected).Select(a => a.Text).

                                            ToArray());



        //Selecting the color

        cbList.ClearSelection();

        strColors.Split(',').ToList().ForEach(a => SelectItem(a, cbList));

    }

    public void SelectItem(string stringColor, CheckBoxList cbList)

    {

        ListItem lstItemColor = cbList.Items.FindByText(stringColor);

        if (lstItemColor != null)

            lstItemColor.Selected = true;

    }

}