摘要：
private void TextBox_KeyPress(object sender, KeyPressEventArgs e) { if(e.KeyChar!=8&&!Char.IsDigit(e.KeyChar)) { e.Handled = true; } } 或者 private void 阅读全文
摘要：
<system.web> <compilation debug="true" targetFramework="4.0" /> <httpRuntime executionTimeout="90" maxRequestLength="2097151" useFullyQualifiedRedirec 阅读全文