Option Strict Off
Public Class 清單修改2
    Private ReadOnly ds As New DataSet
    Private Sub Set_資料清單()
        DataGridView1.DataSource = Nothing : ds.Clear()
        DataGridView1.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.EnableResizing
        DataGridView1.ColumnHeadersHeight = 25
        DataGridView1.AllowUserToAddRows = False
        ConnOpen()
        If INVOICE用客戶資料 = True Then : SQL1 = "SELECT  ATTN, TEL FROM INVOICE用客戶資料 ORDER BY ATTN"
        End If
        CmdSet_For_DGV() : da.Fill(ds) : DataGridView1.DataSource = ds.Tables(0) : conn.Close()
    End Sub
    Private Sub Set_grid()
        DataGridView1.Columns(0).Width = 188 : DataGridView1.Columns(1).Width = 187
    End Sub
    Private Sub 清單修改2_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        FormBorderStyle = FormBorderStyle.SizableToolWindow
        Set_資料清單() : Set_grid()
    End Sub
    Private Sub DataGridView1_CellClick(ByVal sender As System.Object, ByVal e As DataGridViewCellEventArgs) Handles DataGridView1.CellClick
        If e.RowIndex = -1 Then : Else
            TextBox1.Text = DataGridView1(0, e.RowIndex).Value.ToString : TextBox2.Text = DataGridView1(1, e.RowIndex).Value.ToString
            TextBox3.Text = DataGridView1(0, e.RowIndex).Value.ToString
        End If
    End Sub

    Private Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click
        If TextBox1.Text = "" Then
            MsgBox("資料有缺或有誤，請重新檢查")
        Else
            ConnOpen()
            If INVOICE用客戶資料 = True Then : SQL1 = "SELECT ATTN, TEL FROM INVOICE用客戶資料 WHERE ATTN LIKE N'" & TextBox1.Text & "'"
            End If
            CmdSet_For_dr()
            If dr.Read() Then
                MsgBox("資料重複，請從新輸入或檢查")
                conn.Close() : dr.Close()
            Else
                conn.Close() : dr.Close()
                ConnOpen()
                If INVOICE用客戶資料 = True Then : SQL1 = "INSERT INTO INVOICE用客戶資料 (ATTN, TEL) VALUES (N'" & TextBox1.Text & "', N'" & TextBox2.Text & "')"
                End If
                cmd.Connection = conn : cmd.CommandText = SQL1 : cmd.ExecuteNonQuery()
                MsgBox("新增完成")
                conn.Close() : dr.Close()
            End If
        End If
        Set_資料清單() : Set_grid()
    End Sub

    Private Sub Button4_Click(sender As Object, e As EventArgs) Handles Button4.Click
        If TextBox1.Text = "" Then
            MsgBox("資料有缺或有誤，請重新檢查")
        Else
            ConnOpen()
            If INVOICE用客戶資料 = True Then : SQL1 = "UPDATE INVOICE用客戶資料 SET ATTN = N'" & TextBox1.Text & "', TEL = N'" & TextBox2.Text & "' WHERE ATTN LIKE N'" & TextBox3.Text & "'"
            End If
            cmd.CommandText = SQL1 : cmd.ExecuteNonQuery()
            MsgBox("修改完成")
            conn.Close()
        End If
        Set_資料清單() : Set_grid()
    End Sub

    Private Sub Button3_Click(sender As Object, e As EventArgs) Handles Button3.Click
        If INVOICE用客戶資料 = True Then : SQL1 = "DELETE FROM INVOICE用客戶資料 WHERE (ATTN = N'" & TextBox1.Text & "')"
        End If
        cmd.CommandText = SQL1 : cmd.Connection = conn
        ConnOpen()
        Dim aa As MsgBoxResult
        aa = MsgBox("確定要刪除該筆資料?", MsgBoxStyle.OkCancel)
        If aa = MsgBoxResult.Ok Then : cmd.ExecuteNonQuery() : cmd.ExecuteNonQuery() : MsgBox("刪除完成") : End If
        conn.Close()
        Set_資料清單() : Set_grid()
    End Sub
End Class