public partial class RadForm1 : Telerik.WinControls.UI.RadForm
    {
        GridViewCheckBoxColumn checkColumn = new GridViewCheckBoxColumn("Select"); 

        public RadForm1()
        {
            InitializeComponent();

            this.radGridView1.Relations.AddSelfReference(this.radGridView1.MasterTemplate, "id", "pid");
            this.radGridView1.DataSource = GetSampleData();

            checkColumn.EditMode = EditMode.OnValueChange;
            checkColumn.EnableHeaderCheckBox = true;
            checkColumn.ShouldCheckDataRows = false;
            this.radGridView1.HeaderCellToggleStateChanged += grdData_HeaderCellToggleStateChanged;
            this.radGridView1.CellValueChanged += radGridView1_CellValueChanged;
            this.radGridView1.Columns.Insert(0, checkColumn);

            CustomGridViewDataColumn customCol = new CustomGridViewDataColumn() { Name = "CustomCol", FieldName = "CustomCol" };
            this.radGridView1.Columns.Add(customCol);
        }

        private void radGridView1_CellValueChanged(object sender, GridViewCellEventArgs e)
        {
            if (e.Column.Name == "Select" && e.Row is GridViewDataRowInfo)
            { 
                checkColumn.Checked = ToggleState.Off;
            }
            if (e.Column.Name == "CustomCol" && e.Row is GridViewDataRowInfo && e.Column.Tag == null)
            {
                ((CustomGridViewDataColumn)e.Column).Checked = false;
            }
            this.radGridView1.MasterView.TableHeaderRow.InvalidateRow();
        }

        private void grdData_HeaderCellToggleStateChanged(object sender, GridViewHeaderCellEventArgs e)
        {
            this.radGridView1.HeaderCellToggleStateChanged -= grdData_HeaderCellToggleStateChanged;
            this.radGridView1.CellValueChanged -= radGridView1_CellValueChanged;
            
            this.radGridView1.TableElement.BeginUpdate();
            foreach (GridViewDataRowInfo row in this.radGridView1.Rows)
            {
                row.Cells["Select"].Value = e.State == ToggleState.On ? true : false; 
            }
            this.radGridView1.TableElement.EndUpdate();

            this.radGridView1.CellValueChanged += radGridView1_CellValueChanged;
            this.radGridView1.HeaderCellToggleStateChanged += grdData_HeaderCellToggleStateChanged; 
        }

        private DataTable GetSampleData()
        {
            DataTable dt = new DataTable();

            DataColumn dc = new DataColumn();
            dc.ColumnName = "id";
            dc.DataType = typeof(int);
            dt.Columns.Add(dc);

            DataColumn dc1 = new DataColumn();
            dc1.ColumnName = "name";
            dc1.DataType = typeof(string);
            dt.Columns.Add(dc1);

            DataColumn dc2 = new DataColumn();
            dc2.ColumnName = "pid";
            dc2.DataType = typeof(int);
            dt.Columns.Add(dc2);

            DataRow dr = dt.NewRow();
            dr[0] = 0;
            dr[1] = "My Computer";
            dr[2] = DBNull.Value;
            dt.Rows.Add(dr);

            dr = dt.NewRow();
            dr[0] = 7;
            dr[1] = @"Downloads\";
            dr[2] = DBNull.Value;
            dt.Rows.Add(dr);

            dr = dt.NewRow();
            dr[0] = 1;
            dr[1] = @"C:\";
            dr[2] = 0;
            dt.Rows.Add(dr);

            dr = dt.NewRow();
            dr[0] = 2;
            dr[1] = @"D:\";
            dr[2] = 0;
            dt.Rows.Add(dr);

            dr = dt.NewRow();
            dr[0] = 3;
            dr[1] = "Program Files";
            dr[2] = 1;
            dt.Rows.Add(dr);

            dr = dt.NewRow();
            dr[0] = 4;
            dr[1] = "Microsoft";
            dr[2] = 3;
            dt.Rows.Add(dr);

            dr = dt.NewRow();
            dr[0] = 5;
            dr[1] = "Telerik";
            dr[2] = 3;
            dt.Rows.Add(dr);

            dr = dt.NewRow();
            dr[0] = 6;
            dr[1] = "WINDOWS";
            dr[2] = 1;
            dt.Rows.Add(dr);

            return dt;
        }

        public class CustomGridViewDataColumn : GridViewDataColumn
        {
            public bool Checked { get; set; }

            public override Type GetCellType(GridViewRowInfo row)
            {
                if (row is GridViewTableHeaderRowInfo)
                {
                    return typeof(CustomGridHeaderCellElement);
                }
                else if (row is GridViewDataRowInfo || row is GridViewNewRowInfo)
                {
                    return typeof(CustomDataCell);
                }
                return base.GetCellType(row); 
            }
        }

        public class CustomGridHeaderCellElement : GridHeaderCellElement
        {
            protected override Type ThemeEffectiveType
            {
                get
                {
                    return typeof(GridHeaderCellElement);
                }
            }

            public CustomGridHeaderCellElement(GridViewColumn column, GridRowElement row) : base(column, row)
            {
            }

            RadCheckBoxElement checkBox;

            protected override void CreateChildElements()
            {
                base.CreateChildElements();
                checkBox = new RadCheckBoxElement();
                checkBox.ToggleStateChanged += checkbox_ToggleStateChanged;
                this.Children.Add(checkBox);
            }

            private void checkbox_ToggleStateChanged(object sender, StateChangedEventArgs args)
            {
                ((CustomGridViewDataColumn)this.ColumnInfo).Checked = args.ToggleState == ToggleState.On ? true : false;
                this.ColumnInfo.Tag = "Suspend";
                
                foreach (GridViewRowInfo row in this.GridControl.Rows)
                {
                    row.Cells[this.ColumnInfo.Name].Value = args.ToggleState == ToggleState.On ? true : false;
                }
                
                this.ColumnInfo.Tag = null;
            }

            public override void SetContent()
            {
                base.SetContent();

                checkBox.ToggleStateChanged -= checkbox_ToggleStateChanged;
                checkBox.Checked = ((CustomGridViewDataColumn)this.ColumnInfo).Checked;
                checkBox.ToggleStateChanged += checkbox_ToggleStateChanged;
            }
        }

        public class CustomDataCell : GridDataCellElement
        { 
            public CustomDataCell(GridViewColumn column, GridRowElement row) : base(column, row)
            {
            }

            protected override Type ThemeEffectiveType
            {
                get
                {
                    return typeof(GridDataCellElement);
                }
            }

            RadCheckBoxElement checkBox;

            protected override void CreateChildElements()
            {
                base.CreateChildElements();
                checkBox = new RadCheckBoxElement();
                checkBox.ToggleStateChanged += checkbox_ToggleStateChanged;
                this.Children.Add(checkBox);
            }

            private void checkbox_ToggleStateChanged(object sender, StateChangedEventArgs args)
            {
                this.RowInfo.Cells[this.ColumnInfo.Name].Value = args.ToggleState == ToggleState.On ? true : false;
            }

            public override void SetContent()
            {
                base.SetContent();
                this.DrawText = false;
                if (this.RowInfo == null || this.RowInfo.Cells[this.ColumnInfo.Name].Value == null)
                {
                    return;
                }
                checkBox.ToggleStateChanged -= checkbox_ToggleStateChanged;
                checkBox.Checked = GetBoolValue(this.RowInfo.Cells[this.ColumnInfo.Name].Value);
                checkBox.ToggleStateChanged += checkbox_ToggleStateChanged;
            }

            private bool GetBoolValue(object val)
            {
                if (val + "" == "True")
                {
                    return true;
                }
                if (val is bool)
                {
                    return (bool)val;
                }

                return false;
            }
        }
    }