vb.net 如何更改特定 DataGridView 单元格的值？
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How do I change the value of a specific DataGridView Cell?
提问by alexanderd5398
I've been trying to add a feature to my program that allows you to choose a file using OpenFileDialog (when you double click on a DataGridView cell) and change the value of that cell to the path of the file you chose. I have no idea what the command is to do that. I've tried to guess and I looked up on the internet and couldn't find anything.
我一直在尝试向我的程序添加一项功能，允许您使用 OpenFileDialog 选择文件（当您双击 DataGridView 单元格时）并将该单元格的值更改为您选择的文件的路径。我不知道执行该操作的命令是什么。我试图猜测，我在互联网上查找并找不到任何东西。
Private Sub dgSound_CellContentClick(sender As Object, e As DataGridViewCellEventArgs) Handles dgSound.CellDoubleClick
If e.ColumnIndex = 3 Then 'Index of "file" column
Dim file As String = ""
OpenFileDialog1.ShowDialog()
file = OpenFileDialog1.FileName
'Contents of cell that was clicked = file
End If
End Sub
回答by SSS
I'd use CellClickrather than CellContentClickas follows...
我会使用CellClick而不是CellContentClick如下...
Private Sub dgSound_CellClick(sender As Object, e As DataGridViewCellEventArgs) Handles dgSound.CellClick
If e.ColumnIndex = 3 Then 'Index of "file" column
Dim file As String = ""
OpenFileDialog1.ShowDialog()
file = OpenFileDialog1.FileName
'Contents of cell that was clicked = file
dgSound.Rows(e.RowIndex).Cells(e.ColumnIndex).Value = file
End If
End Sub
