C#论坛同步地址:http://www.cckan.net/thread-1065-1-1.html
AjaxPro向C#方法传对象,也可以说是AjaxPro将对象传向C#方法。意思就是如果你的C#方法的参数是对象的话应该怎么传
比如我的方法如下:
[AjaxMethod()] /// <summary> /// 查询用户信息 /// </summary> /// <param name="model">用户对象</param> /// <param name="_currentpage">当前页</param> /// <param name="_pagesite">每页行数</param> /// <returns></returns> public DataSet sp_select_users(Sys_Users model, int _currentpage, int _pagesite) { //这里是方法实现 } |
那么在前台应该怎么传呢,其实很简单啊,大家看一下我的JS方法就知道了
$( function () { $( "#btnSelect" ).click( function () { selectuser(); }); }); function selectuser() { //生成参数对象Obj var Obj = createParameter(); //直接传Obj对象过去就行了 var result = UserSelect.sp_select_users(Obj, 1, 10); //下面是取到数据之后大家可以不关注 if (result.value) { var ds = result.value; var table = ds.Tables[0]; var pagecount = ds.Tables[1].Rows[0].pagecount; var sb = "<table width=\"90%\" align=\"center\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">" sb = sb + "<tr>" for ( var i = 0; i < table.Columns.length; i++) { sb = sb + "<td>"
"</td>" ; } sb = sb + "</tr>" //Rows for ( var i = 0; i < table.Rows.length; i++) { var dr = table.Rows; sb = sb + "<tr onmouseover=\"this.style.backgroundColor='#F3F7F8'\" " + "onmouseout=\"this.style.backgroundColor=''\">" for ( var j = 0; j < table.Columns.length; j++) { sb = sb + "<td>"
'dr.'
"</td>" ; } sb = sb + "</tr>" ; } sb = sb + ' </table>' ; $( "#sysusertable" ).html(sb) } } |
当然我必须得提供一下我的createParameter方法,也就是这个方法来完成的Obj对象
/// <reference path="jquery-1.4.1-vsdoc.js" /> /** *作者:苏飞 */ function createParameter() { var objStr = "var Obj = new Object();" ; //转字符和整数类型 $( "[ajax='true']" ).each( function () { var value = $( this ).attr( "value" ); if (value == "" ) { value = "-1" ; } objStr = objStr + "Obj."
this ).attr( "id" ) + " = \""
"\";" ; }); //转日期类型 $( "[ajax='true_d']" ).each( function () { var value = $( this ).attr( "value" ); if (value == "" ) { value = "2000-01-01" ; } objStr = objStr + "Obj."
this ).attr( "id" ) + " = "
";" ; }); //转Float类型 $( "[ajax='true_f']" ).each( function () { var value = $( this ).attr( "value" ); if (value == "" ) { value = "-1.00" ; } objStr = objStr + "Obj."
this ).attr( "id" ) + " = parseFloat('"
".00');" ; }); eval(objStr); return Obj; //到这里已经生成了Obj对象 } function getdate(strdate) { return 'new Date('
function (a) { return parseInt(a, 10) - 1; }).match(/\d+/g) + ')' ; } |
好了,大家如果想使用的话就在你的查询条件上增加一个条件就行了
比如
ajax='true' 代表iint和String
ajax='true_d' 时间类型
ajax='true_f' 浮点类型,和decimal类型
例子
< form id = "form1" runat = "server" > < div > < table cellspacing = "0" cellpadding = "0" width = "100%" border = "0" > < tr > < td height = "25" width = "30%" align = "right" > 分组ID : </ td > < td height = "25" width = "*" align = "left" > < asp:TextBox ID = "userclass_id" ajax = 'true' runat = "server" Width = "200px" ></ asp:TextBox > </ td > </ tr > < tr > < td height = "25" width = "30%" align = "right" > 角色ID : </ td > < td height = "25" width = "*" align = "left" > < asp:TextBox ID = "role_id" ajax = 'true' runat = "server" Width = "200px" ></ asp:TextBox > </ td > </ tr > < tr > < td height = "25" width = "30%" align = "right" > 代理ID sys_agent : </ td > < td height = "25" width = "*" align = "left" > < asp:TextBox ID = "agent_id" ajax = 'true' runat = "server" Width = "200px" ></ asp:TextBox > </ td > </ tr > < tr > < td height = "25" width = "30%" align = "right" > 用户名 : </ td > < td height = "25" width = "*" align = "left" > < asp:TextBox ID = "username" ajax = 'true' runat = "server" Width = "200px" ></ asp:TextBox > </ td > </ tr > < tr > < td height = "25" width = "30%" align = "right" > 电子邮件 : </ td > < td height = "25" width = "*" align = "left" > < asp:TextBox ID = "email" ajax = 'true' runat = "server" Width = "200px" ></ asp:TextBox > </ td > </ tr > < tr > < td height = "25" width = "30%" align = "right" > 余额 : </ td > < td height = "25" width = "*" align = "left" > < asp:TextBox ID = "balance" ajax = 'true_f' runat = "server" Width = "200px" ></ asp:TextBox > </ td > </ tr > < tr > < td height = "25" width = "30%" align = "right" > 开始时间 : </ td > < td height = "25" width = "*" align = "left" > < asp:TextBox ID = "st" ajax = 'true_d' runat = "server" Width = "198px" ></ asp:TextBox > </ td > </ tr > < tr > < td height = "25" width = "30%" align = "right" > 结束时间 : </ td > < td height = "25" width = "*" align = "left" > < asp:TextBox ID = "et" ajax = 'true_d' runat = "server" Width = "200px" ></ asp:TextBox > </ td > </ tr > </ table > </ div > < input id = "btnSelect" type = "button" value = "button" /> < br /> < br /> < asp:Table ID = "sysusertable" runat = "server" > </ asp:Table > </ form > |
下面大家看看效果吧
总结一下:
1.在参数的时候可以和后台对象的个数不一样
2.参数的数据类型必须一样。
3.只有整数和String类型的不需要转化,其它的都必须强制转化类型才行。