Question

我有一个DataGrid。现在我想要从特定单元格中获取数据以进行比较。为此我找到了那个单元格的rowindex。我想要第二列的数据。到目前为止，我在datagrid的KeyDown事件中的代码如下所示：

DependencyObject dep = (DependencyObject)e.OriginalSource;

while ((dep != null) && !(dep is DataGridCell) && !(dep is DataGridColumnHeader))
{
    dep = VisualTreeHelper.GetParent(dep);
}

if (dep == null)
    return;

if (dep is DataGridCell)
{
    //cancel if datagrid in edit mode
    maindg.CancelEdit();


    //Check if selected cell is on second column and last row
    if (maindg.CurrentColumn.DisplayIndex == 1)
    {
        DependencyObject depObj = dep;

        //Find Row to which selectedCell belongs
        while ((depObj != null) && !(depObj is DataGridRow))
        {
            depObj = VisualTreeHelper.GetParent(depObj);
        }

        DataGridRow selectedCellRow = depObj as DataGridRow;
        if (FindRowIndex(selectedCellRow) == maindg.Items.Count - 1)
        {
            if (Here I want to check if cell's value is null or empty)
            {
                btnSave.Focus();
                return;
            }
        }
    }
}

我在谷歌搜索过这个问题。但无论在哪里，我都能获得所选细胞的价值。假设我想找到属于第5行和第4列的单元格的值，那我该如何找到呢？

Answer 1

您可以尝试下面的代码，它会为您提供单元格。

if (selectedCellRow != null)
{
    DataGridCellsPresenter presenter = GetVisualChild<DataGridCellsPresenter>(selectedCellRow);
    DataGridCell cell = (DataGridCell)presenter.ItemContainerGenerator.ContainerFromIndex(column);
    var cellValue = cell.Content;
}

获取DataGrid中特定单元格的值

1 个答案: