Question

我正在尝试将数据绑定到网格视图，但我在这里遇到了一些问题

    Dim bs As New BindingSource
    bs.DataSource = (From u In threeContext.dbConext.skechersDeliveries Where u.isprocessed = False Select u).ToList()

    dgDeliverys.DataSource = bs

这有效，但当我更新值时，当我离开gridview的行时，它不会保存到数据库中？

Answer 1

对于你的问题（确保datagridview1.AutoGenerateColumns = True）：

Private Sub DataGridView1_CellValidating(sender As Object, e As DataGridViewCellValidatingEventArgs) _
Handles datagridview1.CellValidating
    e.Cancel = Not IsNumeric(DataGridView1.Item(e.ColumnIndex, e.RowIndex))
End Sub

Private Sub DataGridView1_DataBindingComplete(sender As Object, e As DataGridViewBindingCompleteEventArgs) _
Handles DataGridView1.DataBindingComplete
    For Each col As DataGridViewColumn In DataGridView1.Columns
        Select Case col.DataPropertyName
            Case "Col1" ' from Table or Linq
                col.HeaderText = "My Column 1"
            Case "Col2" ' from Table or Linq
                col.HeaderText = "My Column 2"
                ' '' etc for each column
        End Select
    Next
End Sub

尝试将数据绑定到gridview

1 个答案: