vb.net 将项目添加到列表框
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时间：2020-09-17 19:38:51 来源:igfitidea点击:
adding items to listbox
提问by bod
I'm using vb.net forms
我正在使用 vb.net 表单
I'm trying to add items to a listbox one by one from many comboboxes and textboxes
我正在尝试将许多组合框和文本框中的项目一一添加到列表框
the problem is when i add the second item to the listbox it replace the first one
问题是当我将第二个项目添加到列表框时，它会替换第一个项目
i want the listbox to keep the first item and add a new one
我希望列表框保留第一个项目并添加一个新项目
here is my code
这是我的代码
Private Sub Button39_Click(sender As Object, e As EventArgs) Handles Button39.Click
ListBox1.Items.Add(ComboBox1.Text.ToString() &
" " & ComboBox2.Text.ToString() & " " & textbox1.Text.ToString())
回答by A.Bahrami Bavani
try with this changes
尝试进行此更改
Private Sub Button39_Click(sender As Object, e As EventArgs) Handles Button39.Click
ListBox1.Items.Add(ComboBox1.SelectedItem.Text.ToString() & " " & ComboBox2.SelectedItem.Text.ToString() & " " & textbox1.Text.ToString())
