namespace GridClearSelectedRows

{

    using System;

    using System.Data;

    using System.Linq;

    using System.Windows.Forms;

​

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

​

        private void Form1_Load(object sender, EventArgs e)

        {

            this.ultraGrid1.Dock = DockStyle.Fill;

            this.ultraGrid1.DataSource = this.InitializeGridDataSource(10);

        }

​

​

        private DataTable InitializeGridDataSource(int rows)

        {

            DataTable table = new DataTable("Table1");

​

            table.Columns.Add("Boolean column", typeof(Boolean));

            table.Columns.Add("Integer column", typeof(Int32));

            table.Columns.Add("DateTime column", typeof(DateTime));

            table.Columns.Add("String column", typeof(String));

​

            for (int i = 0; i < rows; i++)

            {

                DataRow row = table.NewRow();

                row["Boolean column"] = i % 2 == 0 ? true : false;

                row["Integer column"] = i;

                row["String column"] = "text";

                row["DateTime column"] = DateTime.Now;

                table.Rows.Add(row);

            }

​

            return table;

        }

​

        private void ultraButton1_Click(object sender, EventArgs e)

        {

            foreach (var row in this.ultraGrid1.Rows.Where(row => row.Selected == true))

            {

                row.Selected = false;

            }

        }

    }

}

​