[英]How to get texts form a text file to AutoComplete c#/.net Windows Form
我已经创建了一个登录表单,并且正在using System.IO
FileStream将用户名或密码保存到文本文件中。 我想对用户名文本框或密码文本框使用自动完成功能。
我想获取保存在文本文件中的自动完成功能中的用户名或密码,这样我就不必在文本框中输入用户名ot密码。
它应该在文本框中显示用户名或密码,以进行此类选择(单击以查看) http://i49.tinypic.com/rkuats.jpg和http://i46.tinypic.com/21edys1.jpg
你正在研发什么? 如果是Web应用程序,则可以使用jQuery UI来实现文本框的自动完成功能:
$(function() {
var availableTags = [
"ActionScript",
"AppleScript",
"Asp",
"BASIC",
"C",
"C++",
"Clojure",
"COBOL",
"ColdFusion",
"Erlang",
"Fortran",
"Groovy",
"Haskell",
"Java",
"JavaScript",
"Lisp",
"Perl",
"PHP",
"Python",
"Ruby",
"Scala",
"Scheme"
];
$( "#tags" ).autocomplete({
source: availableTags
});
});
如果您使用的是WPF,则可以在C#中类似地进行操作:
public Window1()
{
InitializeComponent();
List<string> source = new List<string>{/*your source of strings*/};
TextBoxName.ItemSource = source;
}
另一种方法:
private void Form1_Load(object sender, EventArgs e)
{
// Create the list to use as the custom source.
var source = new AutoCompleteStringCollection();
source.AddRange(new string[]
{
"January",
"February",
"March",
"April",
"May",
"June",
"July",
"August",
"September",
"October",
"November",
"December"
});
// Create and initialize the text box.
var textBox = new TextBox
{
AutoCompleteCustomSource = source,
AutoCompleteMode =
AutoCompleteMode.SuggestAppend,
AutoCompleteSource =
AutoCompleteSource.CustomSource,
Location = new Point(20, 20),
Width = ClientRectangle.Width - 40,
Visible = true
};
// Add the text box to the form.
Controls.Add(textBox);
}
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