[英]how to get value member of item in checklistbox
这是我的代码。 “ XXXXXXX”应该是复选框中项目的值成员,但我不知道如何获取它。 我应该在那里写什么?
For i As Integer = 0 To deptClb.Items.Count - 1
If (deptClb.GetItemChecked(i)) Then
MsgBox(deptClb.GetItemChecked(i).ToString)
cmd = New SqlCommand("if not exists( select * from Institutes_Departments_junction where department_id =@deid and institute_id =@inid ) begin insert into Institutes_Departments_junction(department_id, institute_id) values(@deid, @inid) End", con)
cmd.Parameters.AddWithValue("inid", SqlDbType.Int).Value = institute_id
cmd.Parameters.AddWithValue("deid", XXXXXXXXX)
cmd.ExecuteNonQuery()
Else
cmd = New SqlCommand(" Delete from Institutes_Departments_junction where department_id =deid and institute_id =inid end", con)
cmd.Parameters.AddWithValue("inid", SqlDbType.Int).Value = institute_id
cmd.Parameters.AddWithValue("deid", XXXXXXXXX)
cmd.ExecuteNonQuery()
End If
Next
我知道另一种适用于已检查项目的方法,但这还不够,因为我还需要为未检查项目做一些事情。 就像这样
For Each checkeditem As DataRowView In deptClb.CheckedItems
cmd = New SqlCommand("if not exists( select * from Institutes_Departments_junction where department_id =@deid and institute_id =@inid ) begin insert into Institutes_Departments_junction(department_id, institute_id) values(@deid, @inid) End", con)
cmd.Parameters.AddWithValue("inid", SqlDbType.Int).Value = institute_id
cmd.Parameters.AddWithValue("deid", checkeditem(deptClb.ValueMember))
cmd.ExecuteNonQuery()
Next
那么,如何获取已检查和未检查项目的值成员呢?
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