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好吧,即時通訊的新功能。即時通訊使用它來顯示我的MYSQL數據庫中的所有內容,但它只是我的vb.net頁面上的一個灰色框。我的代碼怎麼了?vb.net中的Datagridview不能在MYSQL數據庫中顯示所有內容
Public Sub dataview()
DataGridView1.DataSource = ""
Dim bindingSource1 As New BindingSource()
Try
Dim cmd As New MySqlCommand("SELECT * FROM upload", db_con)
Dim da = New MySqlDataAdapter(cmd)
Dim dt = New DataTable()
da.Fill(dt)
bindingSource1.DataSource = dt
With Me.DataGridView1
.AutoGenerateColumns = True
.DataSource = bindingSource1
.AutoSizeRowsMode =
DataGridViewAutoSizeRowsMode.DisplayedCellsExceptHeaders
.BorderStyle = BorderStyle.Fixed3D
.EditMode = DataGridViewEditMode.EditOnEnter
End With
DataGridView1.DataSource = bindingSource1
Catch ex As Exception
MessageBox.Show("something went wrong")
End Try
End Sub
你檢查了連接字符串嗎?調試並檢查變量並確保它不是空的或錯誤的。 – OneFineDay 2013-05-02 02:05:48