VB.NET：如何动态选择列表视图项？ [英] VB.NET: How to dynamically select a list view item?

问题描述

我需要根据先前选择的内容在列表视图中动态选择一个项目。

I need to dynamically select an item in a listview based on what was selected previously.

从数据库中检索过去选择的项目，然后添加到Arraylist。然后需要从许多不同的列表视图中选择这些项目。

The items that have been selected in the past are retrieved from a database and added to an Arraylist. These items then need to be selected from a number of different listviews.

按索引执行操作，例如 listRef1.Items（2）.Checked = True 没问题，但是我需要通过项目文本（即数组中的字符串之一）来完成。

Doing this by index like so listRef1.Items(2).Checked = True is no problem but I need to do it by the item text, i.e. one of the strings in the array.

到目前为止，我有这个：

So far I have this:

For i As Integer = 0 To refsArr.Count - 1
   'find the correct category id
    Dim cmdRefCat As New SqlCommand("SELECT RefID from ReferencesListTable WHERE            RefName = '" & refsArr(i) & "'", conn)
    Dim refid As Integer = cmdRefCat.ExecuteScalar()
    If refid = 1 Then
        listRef1.Items(refsArr(i)).Checked = True
    ElseIf refid = 2 Then
        listRef2.Items(refsArr(i)).Selected = True
        listRef2.Select()
    ElseIf refid = 3 Then
        listRef3.Items.Item(refsArr(i)).Selected = True
        listRef2.Select()
    ElseIf refid = 4 Then
        listRef4.Items.Item(refsArr(i)).Selected = True
    End If
Next

有人对此有任何想法吗？谢谢。

Has anyone got any ideas on this? Thanks.

推荐答案

您需要遍历列表视图列表中的每个项目：

You'll need to loop through each item in the listview list:

For I as Integer = 0 to ListView.Items.Count - 1 Do
    If ListView.Items(i).Text = "Text" then
         ListView.Items(i).Selected = true
    End If
End For

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