Html code for section "PlaceHolderMain" in .aspx page
<%-- The markup and script in the following Content element will be placed in the <body> of the page --%>
<asp:Content ContentPlaceHolderID="PlaceHolderMain" runat="server">
<table>
<tr>
<td>
<table>
<tr>
<td>Category Id</td>
<td>
<input type="text" id="CategoryId" class="c1"/>
</td>
</tr>
<tr>
<td>Category Name</td>
<td>
<input type="text" id="CategoryName" class="c1"/>
</td>
</tr>
<tr>
<td>
<input type="button" value="New" id="btn-new" />
</td>
<td>
<input type="button" value="Add" id="btn-add" />
</td>
<td>
<input type="button" value="Update" id="btn-update" />
</td>
<td>
<input type="button" value="Delete" id="btn-delete" />
</td>
<td>
<input type="button" value="Find" id="btn-find" />
</td>
</tr>
</table>
</td>
<td>
<table id="tblcategories">
</table>
</td>
</tr>
</table>
<div id="dvMessage"></div>
</asp:Content>
Code in App.js
'use strict';
///The helper method to manage the Host and App Web Url
function manageQueryStringParameter(paramToRetrieve) {
var params =
document.URL.split("?")[1].split("&");
var strParams = "";
for (var i = 0; i < params.length; i = i + 1) {
var singleParam = params[i].split("=");
if (singleParam[0] == paramToRetrieve) {
return singleParam[1];
}
}
}
var context = SP.ClientContext.get_current();
var user = context.get_web().get_currentUser();
var hostWebUrl;
var appWebUrl;
var listItemToUpdate; // The global declaration for Update and Delete the ListItem
var listItemId; //This global list item id used for Update and delete
// This code runs when the DOM is ready and creates a context object which is needed to use the SharePoint object model
$(document).ready(function () {
//getUserName();
//SPHostUrl – the full URL of the host site
//SPAppWebUrl – the full URL of the app web
hostWebUrl = decodeURIComponent(manageQueryStringParameter('SPHostUrl'));
appWebUrl = decodeURIComponent(manageQueryStringParameter('SPAppWebUrl'));
//debugger;
//alert("Host Web Url " + hostWebUrl);
//alert("App Web Url " + appWebUrl);
listAllCategories();
$("#btn-new").on('click', function () {
$(".c1").val('');
});
$("#btn-add").on('click', function () {
createCategory();
listAllCategories();
});
$("#btn-update").on('click', function () {
updateItem();
listAllCategories();
});
$("#btn-find").on('click', function () {
findListItem();
});
$("#btn-delete").on('click', function () {
deleteListItem();
listAllCategories();
});
});
//My Code Here
//<------Function To Create a New Category In List ------->
function createCategory() {
var ctx = new SP.ClientContext(appWebUrl);//Get the SharePoint Context object based upon the URL
var appCtxSite = new SP.AppContextSite(ctx, hostWebUrl);
var web = appCtxSite.get_web(); //Get the Site
var list = web.get_lists().getByTitle("CategoryList"); //Get the List based upon the Title
var listCreationInformation = new SP.ListItemCreationInformation(); //Object for creating Item in the List
var listItem = list.addItem(listCreationInformation);
listItem.set_item("Title", $("#CategoryId").val());
listItem.set_item("CategoryName", $("#CategoryName").val());
listItem.update(); //Update the List Item
ctx.load(listItem);
//Execute the batch Asynchronously
ctx.executeQueryAsync(
Function.createDelegate(this, success),
Function.createDelegate(this, fail)
);
}
//<--------------------Ends Here-------------------------->
//<----------Function To List All Categories--------->
function listAllCategories() {
var ctx = new SP.ClientContext(appWebUrl);
var appCtxSite = new SP.AppContextSite(ctx, hostWebUrl);
var web = appCtxSite.get_web(); //Get the Web
var list = web.get_lists().getByTitle("CategoryList"); //Get the List
var query = new SP.CamlQuery(); //The Query object. This is used to query for data in the List
query.set_viewXml('<View><RowLimit></RowLimit>10</View>');
var items = list.getItems(query);
ctx.load(list); //Retrieves the properties of a client object from the server.
ctx.load(items);
var table = $("#tblcategories");
var innerHtml = "<tr><td>ID</td><td>Category Id</td><td>Category Name</td></tr>";
//Execute the Query Asynchronously
ctx.executeQueryAsync(
Function.createDelegate(this, function () {
var itemInfo = '';
var enumerator = items.getEnumerator();
while (enumerator.moveNext()) {
var currentListItem = enumerator.get_current();
innerHtml += "<tr><td>"+ currentListItem.get_item('ID') +"</td><td>" + currentListItem.get_item('Title') + "</td><td>" + currentListItem.get_item('CategoryName')+"</td></tr>";
}
table.html(innerHtml);
}),
Function.createDelegate(this, fail)
);
}
//<-----------Ends Here------------------------------>
//<------------Update List Item---------------------->
function findListItem() {
listItemId = prompt("Enter the Id to be Searched ");
var ctx = new SP.ClientContext(appWebUrl);
var appCtxSite = new SP.AppContextSite(ctx, hostWebUrl);
var web = appCtxSite.get_web();
var list = web.get_lists().getByTitle("CategoryList");
ctx.load(list);
listItemToUpdate = list.getItemById(listItemId);
ctx.load(listItemToUpdate);
ctx.executeQueryAsync(
Function.createDelegate(this, function () {
//Display the Data into the TextBoxes
$("#CategoryId").val(listItemToUpdate.get_item('Title'));
$("#CategoryName").val(listItemToUpdate.get_item('CategoryName'));
}),
Function.createDelegate(this,fail)
);
}
//<-----------Ends Here------------------------------>
//<-----------Function to Update List Item----------->
function updateItem() {
var ctx = new SP.ClientContext(appWebUrl);
var appCtxSite = new SP.AppContextSite(ctx, hostWebUrl);
var web = appCtxSite.get_web();
var list = web.get_lists().getByTitle("CategoryList");
ctx.load(list);
listItemToUpdate = list.getItemById(listItemId);
ctx.load(listItemToUpdate);
listItemToUpdate.set_item('CategoryName', $("#CategoryName").val());
listItemToUpdate.update();
ctx.executeQueryAsync(
Function.createDelegate(this, success),
Function.createDelegate(this,fail)
);
}
//<-----------Ends Here------------------------------>
//<-----------Function to Update List Item----------->
function deleteListItem() {
var ctx = new SP.ClientContext(appWebUrl);
var appCtxSite = new SP.AppContextSite(ctx, hostWebUrl);
var web = appCtxSite.get_web();
var list = web.get_lists().getByTitle("CategoryList");
ctx.load(list);
listItemToUpdate = list.getItemById(listItemId);
ctx.load(listItemToUpdate);
listItemToUpdate.deleteObject();
ctx.executeQueryAsync(
Function.createDelegate(this, success),
Function.createDelegate(this, fail)
);
}
//<-----------Ends Here------------------------------>
function success() {
$("#dvMessage").text("Operation Completed Successfully");
}
function fail() {
$("#dvMessage").text("Operation failed " + arguments[1].get_message());
}
//Ends Here
// This function prepares, loads, and then executes a SharePoint query to get the current users information
function getUserName() {
context.load(user);
context.executeQueryAsync(onGetUserNameSuccess, onGetUserNameFail);
}
// This function is executed if the above call is successful
// It replaces the contents of the 'message' element with the user name
function onGetUserNameSuccess() {
$('#message').text('Hello ' + user.get_title());
}
// This function is executed if the above call fails
function onGetUserNameFail(sender, args) {
alert('Failed to get user name. Error:' + args.get_message());
}
<%-- The markup and script in the following Content element will be placed in the <body> of the page --%>
<asp:Content ContentPlaceHolderID="PlaceHolderMain" runat="server">
<table>
<tr>
<td>
<table>
<tr>
<td>Category Id</td>
<td>
<input type="text" id="CategoryId" class="c1"/>
</td>
</tr>
<tr>
<td>Category Name</td>
<td>
<input type="text" id="CategoryName" class="c1"/>
</td>
</tr>
<tr>
<td>
<input type="button" value="New" id="btn-new" />
</td>
<td>
<input type="button" value="Add" id="btn-add" />
</td>
<td>
<input type="button" value="Update" id="btn-update" />
</td>
<td>
<input type="button" value="Delete" id="btn-delete" />
</td>
<td>
<input type="button" value="Find" id="btn-find" />
</td>
</tr>
</table>
</td>
<td>
<table id="tblcategories">
</table>
</td>
</tr>
</table>
<div id="dvMessage"></div>
</asp:Content>
Code in App.js
'use strict';
///The helper method to manage the Host and App Web Url
function manageQueryStringParameter(paramToRetrieve) {
var params =
document.URL.split("?")[1].split("&");
var strParams = "";
for (var i = 0; i < params.length; i = i + 1) {
var singleParam = params[i].split("=");
if (singleParam[0] == paramToRetrieve) {
return singleParam[1];
}
}
}
var context = SP.ClientContext.get_current();
var user = context.get_web().get_currentUser();
var hostWebUrl;
var appWebUrl;
var listItemToUpdate; // The global declaration for Update and Delete the ListItem
var listItemId; //This global list item id used for Update and delete
// This code runs when the DOM is ready and creates a context object which is needed to use the SharePoint object model
$(document).ready(function () {
//getUserName();
//SPHostUrl – the full URL of the host site
//SPAppWebUrl – the full URL of the app web
hostWebUrl = decodeURIComponent(manageQueryStringParameter('SPHostUrl'));
appWebUrl = decodeURIComponent(manageQueryStringParameter('SPAppWebUrl'));
//debugger;
//alert("Host Web Url " + hostWebUrl);
//alert("App Web Url " + appWebUrl);
listAllCategories();
$("#btn-new").on('click', function () {
$(".c1").val('');
});
$("#btn-add").on('click', function () {
createCategory();
listAllCategories();
});
$("#btn-update").on('click', function () {
updateItem();
listAllCategories();
});
$("#btn-find").on('click', function () {
findListItem();
});
$("#btn-delete").on('click', function () {
deleteListItem();
listAllCategories();
});
});
//My Code Here
//<------Function To Create a New Category In List ------->
function createCategory() {
var ctx = new SP.ClientContext(appWebUrl);//Get the SharePoint Context object based upon the URL
var appCtxSite = new SP.AppContextSite(ctx, hostWebUrl);
var web = appCtxSite.get_web(); //Get the Site
var list = web.get_lists().getByTitle("CategoryList"); //Get the List based upon the Title
var listCreationInformation = new SP.ListItemCreationInformation(); //Object for creating Item in the List
var listItem = list.addItem(listCreationInformation);
listItem.set_item("Title", $("#CategoryId").val());
listItem.set_item("CategoryName", $("#CategoryName").val());
listItem.update(); //Update the List Item
ctx.load(listItem);
//Execute the batch Asynchronously
ctx.executeQueryAsync(
Function.createDelegate(this, success),
Function.createDelegate(this, fail)
);
}
//<--------------------Ends Here-------------------------->
//<----------Function To List All Categories--------->
function listAllCategories() {
var ctx = new SP.ClientContext(appWebUrl);
var appCtxSite = new SP.AppContextSite(ctx, hostWebUrl);
var web = appCtxSite.get_web(); //Get the Web
var list = web.get_lists().getByTitle("CategoryList"); //Get the List
var query = new SP.CamlQuery(); //The Query object. This is used to query for data in the List
query.set_viewXml('<View><RowLimit></RowLimit>10</View>');
var items = list.getItems(query);
ctx.load(list); //Retrieves the properties of a client object from the server.
ctx.load(items);
var table = $("#tblcategories");
var innerHtml = "<tr><td>ID</td><td>Category Id</td><td>Category Name</td></tr>";
//Execute the Query Asynchronously
ctx.executeQueryAsync(
Function.createDelegate(this, function () {
var itemInfo = '';
var enumerator = items.getEnumerator();
while (enumerator.moveNext()) {
var currentListItem = enumerator.get_current();
innerHtml += "<tr><td>"+ currentListItem.get_item('ID') +"</td><td>" + currentListItem.get_item('Title') + "</td><td>" + currentListItem.get_item('CategoryName')+"</td></tr>";
}
table.html(innerHtml);
}),
Function.createDelegate(this, fail)
);
}
//<-----------Ends Here------------------------------>
//<------------Update List Item---------------------->
function findListItem() {
listItemId = prompt("Enter the Id to be Searched ");
var ctx = new SP.ClientContext(appWebUrl);
var appCtxSite = new SP.AppContextSite(ctx, hostWebUrl);
var web = appCtxSite.get_web();
var list = web.get_lists().getByTitle("CategoryList");
ctx.load(list);
listItemToUpdate = list.getItemById(listItemId);
ctx.load(listItemToUpdate);
ctx.executeQueryAsync(
Function.createDelegate(this, function () {
//Display the Data into the TextBoxes
$("#CategoryId").val(listItemToUpdate.get_item('Title'));
$("#CategoryName").val(listItemToUpdate.get_item('CategoryName'));
}),
Function.createDelegate(this,fail)
);
}
//<-----------Ends Here------------------------------>
//<-----------Function to Update List Item----------->
function updateItem() {
var ctx = new SP.ClientContext(appWebUrl);
var appCtxSite = new SP.AppContextSite(ctx, hostWebUrl);
var web = appCtxSite.get_web();
var list = web.get_lists().getByTitle("CategoryList");
ctx.load(list);
listItemToUpdate = list.getItemById(listItemId);
ctx.load(listItemToUpdate);
listItemToUpdate.set_item('CategoryName', $("#CategoryName").val());
listItemToUpdate.update();
ctx.executeQueryAsync(
Function.createDelegate(this, success),
Function.createDelegate(this,fail)
);
}
//<-----------Ends Here------------------------------>
//<-----------Function to Update List Item----------->
function deleteListItem() {
var ctx = new SP.ClientContext(appWebUrl);
var appCtxSite = new SP.AppContextSite(ctx, hostWebUrl);
var web = appCtxSite.get_web();
var list = web.get_lists().getByTitle("CategoryList");
ctx.load(list);
listItemToUpdate = list.getItemById(listItemId);
ctx.load(listItemToUpdate);
listItemToUpdate.deleteObject();
ctx.executeQueryAsync(
Function.createDelegate(this, success),
Function.createDelegate(this, fail)
);
}
//<-----------Ends Here------------------------------>
function success() {
$("#dvMessage").text("Operation Completed Successfully");
}
function fail() {
$("#dvMessage").text("Operation failed " + arguments[1].get_message());
}
//Ends Here
// This function prepares, loads, and then executes a SharePoint query to get the current users information
function getUserName() {
context.load(user);
context.executeQueryAsync(onGetUserNameSuccess, onGetUserNameFail);
}
// This function is executed if the above call is successful
// It replaces the contents of the 'message' element with the user name
function onGetUserNameSuccess() {
$('#message').text('Hello ' + user.get_title());
}
// This function is executed if the above call fails
function onGetUserNameFail(sender, args) {
alert('Failed to get user name. Error:' + args.get_message());
}
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