[英]deleting data via datagrid view mySQL Vb.net
當我單擊刪除按鈕時,mysqldatabase中的數據被刪除,但datagridview中的數據仍然存在。 如何刪除datagridview中的數據?
這是我的代碼
cmd.CommandText = "delete from pawn where category = '" & txtCategory.Text & "'"
dr = cmd.ExecuteReader
您可以在窗體中添加兩個按鈕,即“刪除”按鈕和“更新”按鈕。之后,可以按如下所示添加事件處理程序。
Private Sub delete_btn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles delete_btn.Click
If MessageBox.Show("Do you want to delete this row ?", "Delete", MessageBoxButtons.YesNo) = DialogResult.Yes Then
DataGridView1.Rows.RemoveAt(DataGridView1.SelectedRows(0).Index)
'yourdatadaptername'.Update('yourdatatablename')
End If
End Sub
Private Sub save_btn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles save_btn.Click
'yourdatadaptername'.Update('yourdatatablename')
End Sub
末級
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.