Question

我有一个填充数据的datagridview。现在我想将所选数据的图像显示到图片框中。代码适用于文本和日期，无论我点击它的数据是什么，但不是在图像上。我收到错误消息'Unable to cast object type 'System.Byte[]' to type System.Drawing.Image' 下面的示例代码

Private Sub selected()
 Private Sub selected()Try
        If Me.dgvadt.Rows.Count > 0 Then
            If Me.dgvadt.SelectedRows.Count > 0 Then

                If Me.dgvadt.SelectedRows(0).Cells("idComplaints").Value Is DBNull.Value = True Then
                    Me.txtIDcomplaint.Text = ""
                Else
                    Me.txtIDcomplaint.Text = Me.dgvadt.SelectedRows(0).Cells("idComplaints").Value
                End If

                If Me.dgvadt.SelectedRows(0).Cells("DateFiled").Value Is DBNull.Value = True Then
                    Me.txtDF.Text = ""
                Else
                    Me.txtDF.Text = Me.dgvadt.SelectedRows(0).Cells("DateFiled").Value
                End If

                If Me.dgvadt.SelectedRows(0).Cells("AccountNumber").Value Is DBNull.Value = True Then
                    Me.txtAC.Text = ""
                Else
                    Me.txtAC.Text = Me.dgvadt.SelectedRows(0).Cells("AccountNumber").Value
                End If

                      If Me.dgvadt.SelectedRows(0).Cells("Attachment").Value Is DBNull.Value = True Then

                Else
                    pbPicture.Image = Me.dgvadt.SelectedRows(0).Cells("Attachment").Value
                End If

            End If
        End If

    Catch ex As Exception
        MsgBox(ex.Message)
        MessageBox.Show("Click to View", "PELCO III ", MessageBoxButtons.OK, MessageBoxIcon.Information)
    End Try
End Sub

如何将所选数据的图像显示在数据库vb.net

0 个答案: