我想从 a 的 1 行获取数据DataGridView
,我在文本框中选择这是我的代码,
Private Sub DataGridView1_CurrentCellChanged(sender As Object, e As EventArgs) Handles DataGridView1.CurrentCellChanged
Dim dColums(0) As DataColumn
dColums(0) = dsetmember.Tables("member").Columns(0)
dsetmember.Tables("member").PrimaryKey = dColums
'MessageBox.Show(DataGridView1.CurrentRow.Index, 1)
If DataGridView1.CurrentRow.Index = -1 Then
txtNamaMember.Text = ""
txtKodeMember.Text = ""
txtNoHP.Text = ""
Else
Dim dr As DataRow = dsetmember.Tables("member").Rows.Find(DataGridView1.Item(DataGridView1.CurrentRow.Index, 0))
txtKodeMember.Text = dr(0)
End If
End Sub
我得到这个错误,nullreferenceException was unhandled
Object reference not set to an instance of an object.
谢谢b4。