title: WebForms UnobtrusiveValidationMode requires a ScriptResourceMapping for 'jquery'. Please add a ScriptResourceMapping named jquery(case-sensitive)
body: <p>I'm building a web application using Visual Studio 2012. 
  I'm attempting to add word count into my textbox. 
  However after adding the the javascript codes and the html codes. I receive the error as stated above.</p>
  
  <p>Here is my javascript codeds</p>
  
  <p>Code : </p>
  
  <pre><code>function validateLimit(obj, divID, maxchar) {
  
  objDiv = get_object(divID);
  
  if (this.id) obj = this;
  
  var remaningChar = maxchar - trimEnter(obj.value).length;
  
  if (objDiv.id) {
      objDiv.innerHTML = remaningChar + " characters left";
  }
  if (remaningChar &lt;= 0) {
      obj.value = obj.value.substring(maxchar, 0);
      if (objDiv.id) {
          objDiv.innerHTML = "0 characters left";
      }
      return false;
  }
  else
  { return true; }
  }
  
  function get_object(id) {
  var object = null;
  if (document.layers) {
      object = document.layers[id];
  } else if (document.all) {
      object = document.all[id];
  } else if (document.getElementById) {
      object = document.getElementById(id);
  }
  return object;
  }
  
  function trimEnter(dataStr) {
  return dataStr.replace(/(\r\n|\r|\n)/g, "");
  }
  </code></pre>
  
  <p>Server codes in master page </p>
  
  <pre><code>&lt;script type="text/javascript" src="js/JScript.js" &gt;&lt;/script&gt;
  </code></pre>
  
  <p>ASPX codes, ( Html codes ) </p>
  
  <pre><code>&lt;tr&gt;
  &lt;th style="width: 595px; height: 135px;"&gt;Official Report :&lt;/th&gt;
  &lt;td colspan="4" style="height: 135px"&gt;
    &lt;asp:TextBox ID="tbofficial" runat="server" Height="121px" TextMode="MultiLine" Width="878px" MaxLength="500"   ToolTip="Summary:(500 characters)" onkeyup="return validateLimit(this, 'lblMsg1', 500)" &gt;&lt;/asp:TextBox&gt;
    &lt;div id="lblMsg1"&gt;500 characters left&lt;/div&gt;
  &lt;asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" 
          ControlToValidate="tbofficial" Display="Dynamic" 
          SetFocusOnError="True"&gt;*&lt;/asp:RequiredFieldValidator&gt;
    &lt;br /&gt;
    &lt;asp:Label ID="lblmsg" runat="server"&gt;&lt;/asp:Label&gt;
    &lt;br /&gt;
    &lt;br /&gt;
          &lt;asp:Button ID="btnSubmit" runat="server" Text="Submit" OnClick="btnSubmit_Click" /&gt;
    &lt;asp:Button ID="btnClear" runat="server" Text="Clear" OnClick="btnClear_Click" /&gt;
          &lt;/td&gt;
  &lt;/tr&gt;
  </code></pre>