控制asp.net 中文本框中只能输入数字

<asp:TextBox   ID= "qty1 "   CssClass= "textbox1 "   Width= "65 "   onpaste= "return   false "   style= "ime-mode:disabled "   onkeypress= "if   ((event.keyCode   <   48   ||   event.keyCode   >   57)   &&     event.keyCode   !=   46)   event.returnValue   =   false; "   MaxLength= "10 "   runat= "server "> </asp:TextBox>

禁止粘帖和开启输入法onpaste= "return   false "   style= "ime-mode:disabled "