DevExpess的GridView控件，和传统WinFrom的GridView有很大的不同，如他没有GetSelectedRow的行集合操作，但可以通过GetSelectedRows获取制定的行序号，通过行序号来进行操作，如要获得指定行，制定列的内容，可以通过GetRowCellDisplayText 获取文本或者通过GetRowCellValue获取对应的值。
如果需要获取当前选定行（焦点所在行）的制定列的数据，那么可以通过函数GetFocusedRowCellDisplayText("ID")来获取。
private void winGridViewPager1_OnDeleteSelected(object sender, EventArgs e)
{
if (MessageUtil.ShowYesNoAndTips("您确定删除选定的记录么？") == DialogResult.No)
{
return;
}
int[] rowSelected = this.winGridViewPager1.GridView1.GetSelectedRows();
foreach (int iRow in rowSelected)
{
string ID = this.winGridViewPager1.GridView1.GetRowCellDisplayText(iRow, "ID");
BLLFactory<ItemDetail >.Instance.Delete(ID);
}
BindData();
}
为GridView行提示信息以及显示行号，有时候为了方便数据的显示，需要在GridView的第一列显示该列的行信息以及行号，那么需要为GridView控件添加一个ToolTipController控件，然后实现该控件的GetActiveObjectInfo事件，在事件里面添加下面代码以及实现GridView控件的CustomDrawRowIndicator事件即可，如下代码所示。
private void toolTipController1_GetActiveObjectInfo(object sender,
DevExpress.Utils.ToolTipControllerGetActiveObjectInfoEventArgs e)
{
if (e.SelectedControl != gridControl1) return;
ToolTipControlInfo info = null;
//Get the view at the current mouse position
GridView view = gridControl1.GetViewAt(e.ControlMousePosition) as GridView;
if (view == null) return;
//Get the view's element information that resides at the current position
GridHitInfo hi = view.CalcHitInfo(e.ControlMousePosition);
//Display a hint for row indicator cells
if (hi.HitTest == GridHitTest.RowIndicator)
{
//An object that uniquely identifies a row indicator cell
object o = hi.HitTest.ToString() + hi.RowHandle.ToString();
StringBuilder sb = new StringBuilder();
sb.AppendLine("行数据基本信息：");
foreach (GridColumn gridCol in view.Columns)
{
if (gridCol.Visible)
{
sb.AppendFormat(" {0}：{1}\r\n", gridCol.Caption,
view.GetRowCellDisplayText(hi.RowHandle, gridCol.FieldName));
}
}
info = new ToolTipControlInfo(o, sb.ToString());
}
//Supply tooltip information if applicable, otherwise preserve default tooltip (if any)
if (info != null)
{
e.Info = info;
}
}
private void gridView1_CustomDrawRowIndicator(object sender,
RowIndicatorCustomDrawEventArgs e)
{
if (ShowLineNumber)
{
e.Appearance.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Far;
if (e.Info.IsRowIndicator)
{
if (e.RowHandle >= 0)
{
e.Info.DisplayText = (e.RowHandle + 1).ToString();
}
}
}
}
