[英]Autocomplete with any character in TextBox C#
我想使用LINQ实体将自动完成设置为文本框。
这是我的代码:
using (Reference_TraductionEntities context = new Reference_TraductionEntities())
{
var source = new AutoCompleteStringCollection();
var name = from a in context.Feuil1Prenom
where a.PRENOMF.StartsWith("i")
select a.PRENOMF;
source.AddRange(name.ToArray());
textBox1.AutoCompleteCustomSource = source;
textBox1.AutoCompleteMode = AutoCompleteMode.SuggestAppend;
textBox1.AutoCompleteSource = AutoCompleteSource.CustomSource;
}
这段代码还可以,但是只要有字符“ i”,我就希望文本框中的任何字符输入都自动完成
我该如何解决?
谢谢,
试试这个
this.textBox1.AutoCompleteMode = AutoCompleteMode.SuggestAppend;
this.textBox1.AutoCompleteSource = AutoCompleteSource.CustomSource;
private void textBox1_TextChanged(object sender, EventArgs e)
{
TextBox t = sender as TextBox;
if (t != null)
{
//say you want to do a search when user types 3 or more chars
if (t.Text.Length >= 3)
{
//SuggestStrings will have the logic to return array of strings either from cache/db
string[] arr = SuggestStrings(t.Text);
AutoCompleteStringCollection collection = new AutoCompleteStringCollection();
collection.AddRange(arr);
this.textBox1.AutoCompleteCustomSource = collection;
}
}
}
非常感谢BugFinder !!!!
我替换以“ i”开头以textbox1.text开头...
using (Reference_TraductionEntities context = new Reference_TraductionEntities())
{
var source = new AutoCompleteStringCollection();
var name = from a in context.Feuil1Prenom
where a.PRENOMF.StartsWith(textBox1.Text )
select a.PRENOMF;
source.AddRange(name.ToArray());
textBox1.AutoCompleteCustomSource = source;
textBox1.AutoCompleteMode = AutoCompleteMode.SuggestAppend;
textBox1.AutoCompleteSource = AutoCompleteSource.CustomSource;
}
有用 !!!
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