方法一: function AddHandlingFeeToRefund() { var AjaxURL= "../OrderManagement/AjaxModifyOrderService.aspx"; alert($(\'#formAddHandlingFee\').serialize()); $.ajax({ type: "POST", dataType: "html", url: AjaxURL + \'?Action=\' + \'SubmitHandlingFee\' + \'&OrderNumber=\' + $.trim($("#<%=this.txtOrderNumber.ClientID %>").val()), data: $(\'#formAddHandlingFee\').serialize(), success: function (result) { var strresult=result; alert(strresult); //加载最大可退金额 $("#spanMaxAmount").html(strresult); }, error: function(data) { alert("error:"+data.responseText); } }); } 方法二: //ajax提交form表单的方式 $(\'#formAddHandlingFee\').submit(function() { var AjaxURL= "../OrderManagement/AjaxModifyOrderService.aspx"; alert($(\'#formAddHandlingFee\').serialize()); $.ajax({ type: "POST", dataType: "html", url: AjaxURL + \'?Action=\' + \'SubmitHandlingFee\' + \'&OrderNumber=\' + $.trim($("#<%=this.txtOrderNumber.ClientID %>").val()), data: $(\'#formAddHandlingFee\').serialize(), success: function (data) { var strresult=data; alert(strresult); //加载最大可退金额 $("#spanMaxAmount").html(strresult); }, error: function(data) { alert("error:"+data.responseText); } }); } ); 页面html代码: <form id="formAddHandlingFee" name="formAddHandlingFee" enctype="multipart/form-data" onsubmit="AddHandlingFeeToRefund()"> <table id="AddHandlingFee" class="Wfill"> <tr> <td> <asp:Literal ID="UI_Amount" runat="server" Text="处理费用" meta:resourcekey="HandlingFeeAmount" /> </td> <td> <input type="text" id="txtHandlingFeeAmount" name="txtHandlingFeeAmount" class="{required:true,number:true}" maxlength="12" /> </td> </tr> <tr> <td> <asp:Literal ID="UI_HandlingFeeType" runat="server" Text="费用类型" meta:resourcekey="HandlingFeeHandlingFeeType" /> </td> <td> <crmweb:HtmlSelectControl ID="HandlingFeeType" EnumTypeName="DX.OMS.Model.Common.HandlingFeeType,DX.OMS.Model.Common" EmptyValue="" EmptyText="Select" runat="server" class="text {required:true}"/> </td> </tr> <tr> <td> <asp:Literal ID="UI_Notes" runat="server" Text="备注" meta:resourcekey="HandlingFeeNotes" /> </td> <td> <textarea id="txtNotes" name="txtNotes" class="text {required:true}" cols="22" rows="2" maxlength="100"></textarea> </td> </tr> <tr> <td> </td> <td> <input id="Submit1" type="submit" value="添加处理费" /> <asp:Button ID="Button1" runat="server" Text="添加处理费" OnClientClick="javascript:AddHandlingFeeToRefund()" /> </td> </tr> </table> </form>