编写vb.net代码,使在窗体form3中datagridview中选择的boxid和
时间: 2024-03-18 10:40:37 浏览: 15
对应的boxname可以在窗体form4中的textbox中显示出来。
可以在form3的datagridview的SelectionChanged事件中编写代码,如下所示:
```
Private Sub DataGridView1_SelectionChanged(sender As Object, e As EventArgs) Handles DataGridView1.SelectionChanged
If DataGridView1.SelectedRows.Count > 0 Then
Dim boxid As String = DataGridView1.SelectedRows(0).Cells("boxid").Value.ToString()
Dim boxname As String = DataGridView1.SelectedRows(0).Cells("boxname").Value.ToString()
Form4.TextBox1.Text = boxid
Form4.TextBox2.Text = boxname
End If
End Sub
```
这段代码首先判断datagridview中是否有选中的行,如果有则获取选中行的boxid和boxname,并将它们显示在form4的textbox中。注意,这里假设form4的textbox分别为TextBox1和TextBox2。
相关问题
编写vb.net代码,使在窗体form3中datagridview中选择的boxid和在窗体bookingform中listbox选择的时段(如13:00-15:00)按值传递到form4的txtboxid和txttime并在form4显示同时显示出来
可以在form3的datagridview的SelectionChanged事件中编写代码,同时在bookingform的listbox的SelectedIndexChanged事件中编写代码,如下所示:
```
Private Sub DataGridView1_SelectionChanged(sender As Object, e As EventArgs) Handles DataGridView1.SelectionChanged
If DataGridView1.SelectedRows.Count > 0 Then
Dim boxid As String = DataGridView1.SelectedRows(0).Cells("boxid").Value.ToString()
Form4.txtboxid.Text = boxid
ShowDataOnForm4()
End If
End Sub
Private Sub ListBox1_SelectedIndexChanged(sender As Object, e As EventArgs) Handles ListBox1.SelectedIndexChanged
Dim time As String = ListBox1.SelectedItem.ToString()
Form4.txttime.Text = time
ShowDataOnForm4()
End Sub
Private Sub ShowDataOnForm4()
If Form4.txtboxid.Text <> "" And Form4.txttime.Text <> "" Then
Dim data As String = "您选择了" & Form4.txtboxid.Text & "号包厢,时段为" & Form4.txttime.Text
Form4.lblData.Text = data
End If
End Sub
```
这段代码首先在form3的datagridview的SelectionChanged事件中获取选中的boxid,并将其传递到form4的txtboxid中。在bookingform的listbox的SelectedIndexChanged事件中获取选中的时段,并将其传递到form4的txttime中。然后调用ShowDataOnForm4方法,在其中判断txtboxid和txttime是否都有值,如果有则将它们拼接成字符串,并显示在form4的lblData标签中。
编写vb.net代码,使在form3gridview中选中的boxid和在bookingform中listbox选中的时段(如13:00-15:00)能够按值传递到form4的txtboxid和txttime
以下是一个简单的示例代码,实现了你所需要的功能。需要注意的是,代码中假设你的Form3名为"Form3",GridView名为"DataGridView1",Form4名为"Form4",TextBox分别为"txtBoxID"和"txtTime",ListBox名为"ListBox1"。
```
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
'获取选中的BoxID'
Dim boxID As String = DataGridView1.SelectedRows(0).Cells("BoxID").Value
'获取选中的时间段'
Dim time As String = ListBox1.SelectedItem.ToString()
'传递BoxID和时间段到Form4的TextBox中'
Dim form4 As New Form4
form4.txtBoxID.Text = boxID
form4.txtTime.Text = time
form4.ShowDialog()
End Sub
```
请将代码放在你需要使用的事件中,比如Button的Click事件。当点击Button时,会获取选中的BoxID和时间段,并将它们传递到Form4的TextBox中。