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<?xml version="1.0" encoding="utf-8" ?>
<!--Created:cb85b80c-f585-40ff-8bfc-12ff4d0e34a9-->
<App xmlns="http://schemas.microsoft.com/sharepoint/2012/app/manifest"
     Name="Search-Students"
     ProductID="{3b9c0cc0-ae95-47cc-889c-450ff2646405}"
     Version="1.0.0.0"
     SharePointMinVersion="15.0.0.0"
>
  <Properties>
    <Title>Search-Students</Title>

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#Example of getting site collection url based on feature Name
Add-PSSnapin Microsoft.SharePoint.PowerShell


$webapp= Get-SPWebApplication "http://www.sharepoint-journey.com/" 

# looping through all sitecollections

foreach($site in $webApp.Sites)
{

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Add-PSSnapin Microsoft.SharePoint.PowerShell
$webapp= Get-SPWebApplication "http://www.sharepoint-journey.com/" 

# looping through all sitecollections
foreach($site in $webApp.Sites)
{
  
# looping through all sites
 foreach($website in $site.allwebs)
{

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<?xml version="1.0" encoding="utf-8"?>
<Elements xmlns="http://schemas.microsoft.com/sharepoint/">
  <ListInstance Url="Lists/Employees" Description="Employees" OnQuickLaunch="TRUE" Title="Employees">
    <DataSource>
      <Property Name="LobSystemInstance" Value="Northwind" />
      <Property Name="EntityNamespace" Value="NorthwindModel" />
      <Property Name="Entity" Value="Employees" />
      <Property Name="SpecificFinder" Value="ReadSpecificEmployee" />
      <Property Name="MetadataCatalogFileName" Value="BDCMetadata.bdcm" />
    </DataSource>

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<?xml version="1.0" encoding="utf-8"?>
<Elements xmlns="http://schemas.microsoft.com/sharepoint/">
  <BdcModel Path="External Content Types\BDCMetadata.bdcm" />
</Elements>

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<?xml version="1.0" encoding="utf-16"?>
<Model xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" Name="NorthwindModel" xmlns="http://schemas.microsoft.com/windows/2007/BusinessDataCatalog">
  <LobSystems>
    <LobSystem Name="Northwind" Type="OData">
      <Properties>
        <Property Name="ODataServiceMetadataUrl" Type="System.String">http://services.odata.org/Northwind/Northwind.svc/$metadata</Property>
        <Property Name="ODataServiceMetadataAuthenticationMode" Type="System.String">PassThrough</Property>
        <Property Name="ODataServicesVersion" Type="System.String">2.0</Property>
      </Properties>
      <AccessControlList>

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Token Cache: Failed to initialize SPDistributedSecurityTokenCache  Exception: 'System.InvalidOperationException: SPDistributedCachePointerWrapper::InitializeDataCacheFactory - No cache hosts are present or running in the farm.    
 at Microsoft.SharePoint.DistributedCaching.SPDistributedCachePointerWrapper.InitializeDataCacheFactory()    
 at Microsoft.SharePoint.DistributedCaching.SPDistributedCache..ctor(String name, TimeSpan timeToLive, SPDistributedCacheContainerType containerType, Boolean encryptData)    
 at Microsoft.SharePoint.IdentityModel.SPDistributedSecurityTokenCache..ctor(String name, TimeSpan timeToLive, SPDistributedCacheContainerType containerType, Boolean encrptyData, TimeSpan minimumTokenExpirationWindow)    
 at Microsoft.SharePoint.IdentityModel.SPDistributedSecurityTokenCacheInitializer.Init(Object state)'.

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<script type="text/javascript">
if(typeof jQuery=="undefined"){
var jQPath="http://ajax.googleapis.com/ajax/libs/jquery/1.3.1/";
document.write("<script src='",jQPath,"jquery.min.js' type='text/javascript'><\/script>");
}
</script>
<script>
jQuery.noConflict();
jQuery(document).ready(function(){

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<%@ Assembly Name="$SharePoint.Project.AssemblyFullName$" %>
<%@ Assembly Name="Microsoft.Web.CommandUI, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %> 
<%@ Register Tagprefix="SharePoint" Namespace="Microsoft.SharePoint.WebControls" Assembly="Microsoft.SharePoint, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %> 
<%@ Register Tagprefix="Utilities" Namespace="Microsoft.SharePoint.Utilities" Assembly="Microsoft.SharePoint, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %>
<%@ Register Tagprefix="asp" Namespace="System.Web.UI" Assembly="System.Web.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" %>
<%@ Import Namespace="Microsoft.SharePoint" %> 
<%@ Register Tagprefix="WebPartPages" Namespace="Microsoft.SharePoint.WebPartPages" Assembly="Microsoft.SharePoint, Version=15.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %>
<%@ Control Language="C#" AutoEventWireup="true" CodeBehind="VisualWebPart1.ascx.cs" Inh

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using System;
using System.ComponentModel;
using System.Web.UI.WebControls.WebParts;
using System.Data;
using Microsoft.SharePoint;
namespace First_VisualWebPart.VisualWebPart1
{
    [ToolboxItemAttribute(false)]
    public partial class VisualWebPart1 : WebPart
    {