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Get the XML schema of the field in SharePoint 2010 using ECMAScript

Posted By:Vijai Anand. R       Posted Date: May 08, 2012    Points: 200    Category: SharePoint    URL: http://www.dotnetspark.com  

In this article you will see how to get the XML schema of the field in SharePoint 2010 using ECMAScript.
 

Get the XML schema of the field in SharePoint 2010 using ECMAScript
 
In this article you will see how to get the XML schema of the field in SharePoint 2010 using ECMAScript.
 
Introduction:
 
In this article you will see how to get the XML schema of the field in SharePoint 2010 using ECMAScript. I have a list named “List Request” which has the following fields (Navigate to the list, click on List tab in the ribbon interface. Click on List Settings button).
 

 
I am going to find the XML schema of the field for the column named “Choice” using ECMAScript.
 
Steps Involved:
 
1.  Navigate to the SharePoint site (I have a site page created in my site where I am going to add the content editor web part).
2.  Go to Site Actions, click on Edit Page.
 

 
3.  Click on Insert tab in the ribbon interface and then click on Web Part button.
 

 
4.  Select Media and Content in the Categories section and then click on Content Editor.
 

 
5.  Click on Add.
6.  Content editor web part will be added to the site page.
7.  Click on down arrow and then click on Edit Web Part.
 

 
8.  Click on “Click here to add new content”.
 

 
9.  Click on Format Text tab in the ribbon interface and then click on HTML drop down.
 

 
10.  Click on Edit HTML source.
11.  HTML source window will pop up.
 

 
12.  Copy and paste the following script.
 
 

<script language="ecmascript" type="text/ecmascript">
 
  var fieldCollection;
  var field;
  var list;
  function getFieldSchemaXML() {
  var clientContext = SP.ClientContext.get_current();
  if (clientContext != undefined && clientContext != null) {
  var webSite = clientContext.get_web();
  this.list = webSite.get_lists().getByTitle("List Request");
  this.fieldCollection = list.get_fields();
  this.field = fieldCollection.getByTitle("Choice");
  clientContext.load(this.field);
  clientContext.executeQueryAsync(Function.createDelegate(this, this.OnLoadSuccess), Function.createDelegate(this, this.OnLoadFailed));
  }
   }
 
  function OnLoadSuccess(sender, args) {
  alert(field.get_schemaXml());
  }
 
  function OnLoadFailed(sender, args) {
  alert('Request failed. ' + args.get_message() + '\n' + args.get_stackTrace());
  }</script>
  <input id="btnGetFieldSchemaXML" onclick="getFieldSchemaXML()" type="button" value="Get Field XML Schema" />
 
 

 
13.  Click on Ok.
14.  In the ribbon interface click on Save & Close button.
 

 
15.  In the content editor web part you could find a button named “Get Field XML schema”, click on that button.
 

 
16.  Alert will pop up which displays the XML schema of the field.
 

 
Reference:
 
SP.Field.get_schemaXML() Property - http://msdn.microsoft.com/en-us/library/ee552517.aspx
 
Summary:
 
Thus in this article you have seen how to get the XML schema of the field in SharePoint 2010 using ECMAScript.


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