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PO"Message":"Invalid web service call, missing value for parameter: \u0027haha\u0027
 

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  1. PO"Message":"Invalid web service call, missing value for parameter: \u0027haha\u0027
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    <p>I'm a newbie in Jquery Ajax. I need your help. I want to display one text beside span element. I have already done reference some topics but i cant resolve it</p> <p>Here is my error in firebug (newlines and indentation added)</p> <blockquote> <pre><code>{"Message":"Invalid web service call, missing value for parameter: \u0027haha\u0027.", "StackTrace":" at System.Web.Script.Services.WebServiceMethodData.CallMethod(Object target, IDictionary`2 parameters) at System.Web.Script.Services.WebServiceMethodData.CallMethodFromRawParams(Object target, IDictionary`2 parameters) at System.Web.Script.Services.RestHandler.InvokeMethod(HttpContext context, WebServiceMethodData methodData, IDictionary`2 rawParams) at System.Web.Script.Services.RestHandler.ExecuteWebServiceCall(HttpContext context, WebServiceMethodData methodData)", "ExceptionType":"System.InvalidOperationException"} </code></pre> </blockquote> <p>In aspx </p> <pre><code>&lt;asp:TextBox ID="txtNoiDung" runat="server" TextMode="MultiLine" CssClass="txtNoiDung"&gt;&lt;/asp:TextBox&gt;&lt;span id="vltxtNoiDung"&gt;&lt;/span&gt; </code></pre> <p>In code behind</p> <pre><code> [WebMethod()] public static string test1cai(string haha) { return haha; } </code></pre> <p>In Javascript</p> <pre><code>$(".txtNoiDung").focusout(function () { var dataToSend = { names: $(this).val() }; $.ajax({ type: "POST", url: "QuanLyTin.aspx/test1cai", data: JSON.stringify(dataToSend), contentType: "application/json; charset=utf-8", dataType: "json", success: function (msg) { $("#vltxtNoiDung").text(msg.d) }, error: function (xhr, reason, ex) { alert(reason); } }); }); </code></pre> <p>Thanks in advance!</p>
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    1. UStuan.it89
    1. UStuan.it89
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    1. This table or related slice is empty.
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      1. PO"Message":"Invalid web service call, missing value for parameter: \u0027haha\u0027
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      1. VTUpMod
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      1. PO"Message":"Invalid web service call, missing value for parameter: \u0027haha\u0027
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      1. VTUpMod
    1. This table or related slice is empty.
 

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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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