我是初学者,我不知道如何制作恢复历史记录的文本框。 可以一个人。给我一个示例代码。或教我如何做到这一点。 即时通讯使用sql server作为我的数据库。 提前谢谢。
答案 0 :(得分:2)
如果您要查找的是autoComplete
功能,可以从文本框属性中启用它:
设置模式:
设置来源:
答案 1 :(得分:1)
Private Sub Form1_Load(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles MyBase.Load
'Manually added some items
lst.Add("apple")
lst.Add("applle")
lst.Add("appple")
lst.Add("appplee")
lst.Add("bear")
lst.Add("pear")
'Records binded to the AutocompleteStringCollection.
MySource.AddRange(lst.ToArray)
'this AutocompleteStringcollection binded to the textbox as custom
'source.
TextBox1.AutoCompleteCustomSource = MySource
'Auto complete mode set to suggest append so that it will sugesst one
'or more suggested completion strings it has bith ‘Suggest’ and
'‘Append’ functionality
TextBox1.AutoCompleteMode = AutoCompleteMode.SuggestAppend
'Set to Custom source we have filled already
TextBox1.AutoCompleteSource = AutoCompleteSource.CustomSource
End Sub