textbox 输入一个数目字自动加逗号(CS)

2012-09-25

textbox 输入一个数字自动加逗号(CS)textbox 输入一个数字自动加逗号，且只能输入数字，每输入一位自动价格

textbox 输入一个数字自动加逗号(CS)
textbox 输入一个数字自动加逗号，且只能输入数字，每输入一位自动价格逗号，如：1，2，3，...

求大侠指导！

[解决办法]
private void IDtextBox_KeyPress(object sender, KeyPressEventArgs e)
{
int ch = e.KeyChar;
if (((ch >= 48) && (ch <= 57) || ch == 8 || ch == 13) == false)
{
e.Handled = true;

}
}
[解决办法]

HTML code

<head runat="server">    <title>无标题页</title>    <script type="text/javascript">        function input(obj){            var reg=/^(\d,?)*$/;            if(reg.test(obj.value))                obj.value+=",";            else                obj.value=obj.value.replace(/(\d,)[^\d]/g,"$1");        }    </script></head><body>    <input id="Text1" type="text" onkeyup="input(this)" />    </body></html>
[解决办法]
private void textBox1_TextChanged(object sender, EventArgs e)
{
   string text = this.textBox1.Text;           
   Regex reg = new Regex(@"[0-9]{1}[,]?");

   MatchCollection match = reg.Matches(text);

   text = string.Empty;

   foreach (Match m in match)
       text += m.Value.TrimEnd(',') + ',';

   this.textBox1.Text = text.TrimEnd(',');
}


[解决办法]
VB.NET codePrivate Sub TextBox1_KeyPress1(ByVal sender As Object, ByValeAsSystem.Windows.Forms.KeyPressEventArgs) Handles TextBox1.KeyPress        If Asc(e.KeyChar) <> Keys.Back Then            If e.KeyChar < "0" Or e.KeyChar > "9" Then                MessageBox.Show("只能输入整数！")                e.Handled = True                Exit Sub            Else                TextBox1.Text = TextBox1.Text.Trim() + ","            End If        End If    End Sub
[解决办法]
简单写了一下,要想完美处理,还得处理更多的东西,鼠标啦,剪切操作啦,拖放等等
C# code       private void textBox1_KeyPress(object sender, KeyPressEventArgs e)        {            TextBox t = sender as TextBox;            if (e.KeyChar >= '0' && e.KeyChar <= '9')            {                t.SelectedText = string.Concat(e.KeyChar , ',');                    e.Handled = true;            }            else if (e.KeyChar == (char)ConsoleKey.Backspace)            {                if (t.SelectionStart >= 2)                {                    t.SelectionStart -= 2;                    t.SelectionLength = 2;                    t.SelectedText = "";                }                e.Handled = true;            }            else                e.Handled = true;        }

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