BoldSignEasily embed eSignatures in your .NET applications. Free sandbox with native SDK available.
private void grid_CurrentCellValidating(object sender, CancelEventArgs e) { GridCurrentCell cc = this.grid.CurrentCell; if(cc.Index == 2) { string newValue = cc.Renderer.ControlText; string oldValue = this.grid[cc.RowIndex, cc.ColIndex].Text; } }