整數：<asp:TextBox id=Rel_level BorderWidth= "0px" runat="server" onkeyup="if(event.keyCode !=37 && event.keyCode != 39) value=value.replace(/\D/g,'');" Height="18px" Width="55px" ></asp:TextBox>
數字：
<asp:textbox onkeypress="if(!this.value.match(/^[\+\-]?\d*?\.?\d*?$/))this.value=this.t_value;else this.t_value=this.value;if(this.value.match(/^(?:[\+\-]?\d+(?:\.\d+)?)?$/))this.o_value=this.value"
                                                        id="tbxwork_time" onblur="if(!this.value.match(/^(?:[\+\-]?\d+(?:\.\d+)?|\.\d*?)?$/))this.value=this.o_value;else{if(this.value.match(/^\.\d+$/))this.value=0+this.value;if(this.value.match(/^\.$/))this.value=0;this.o_value=this.value}"
                                                        onkeyup="if(!this.value.match(/^[\+\-]?\d*?\.?\d*?$/))this.value=this.t_value;else this.t_value=this.value;if(this.value.match(/^(?:[\+\-]?\d+(?:\.\d+)?)?$/))this.o_value=this.value;javascript:stat(this.value);"
                                                        runat="server"></asp:textbox>

Code