Retrieve Images From SharePoint Document Library Particular Folder Using C#

Kaviya Balasubramanian
Aug 07, 2017
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Already we saw how to create a SharePoint document library with folders using vs 2015 .

What a SharePoint Document Library is,

A Document Library is a collection of files that you can share as documents with your team members.
A Document Library stores the files and you can maintain the data in various folders.
A SharePoint Document Library is a place on a site where you can create, collect, and update files with others.
You can set the permission to each Document Library for the users.
You can show a Document Library in web part pages as List View Web Parts.

Use the below code to retrieve the images from SP document library folder,

Step 1

Open the ascx file in your project add the below html, Make sure to refer the bootstrap files

<div class="row">
<div class="carousel slide" id="myCarousel" data-ride="carousel">
<ul class="carousel-indicators" id="carouselIndicatordiv" runat="server"> </ul>
<div class="carousel-inner" id="carousaldiv" runat="server"> </div> <a class="carousel-control left" href="#myCarousel" data-slide="prev" id="leftIcon" runat="server"></a> <a class="carousel-control right" href="#myCarousel" data-slide="next" id="rightIcon" runat="server"></a> </div>
</div>

Step 2

Open the ascx.cs file in your project. On the page Load call your method like below,

Step 3

Add below code to your solution

private void GetSliderImages() {
try {
_web = SPContext.Current.Web;
string webUrl = _web.Url;
using(SPSite site = new SPSite(webUrl)) {
using(SPWeb web = site.OpenWeb()) {
SPList list = web.Lists[CommonConstants.List_DepartmentSliderLib];
if (list != null) {
SPListItemCollection spListItemCollection = null;
foreach(SPFolder subFolder in list.RootFolder.SubFolders) {
if (subFolder.Name.ToLower() == “folderName”) {
SPQuery spQuery = new SPQuery();
spQuery.Folder = subFolder;
spQuery.Query = @ "<OrderBy><FieldRef Name='Created' Ascending='FALSE' /></OrderBy>";
spQuery.RowLimit = 4;
spListItemCollection = list.GetItems(spQuery);
StringBuilder stringCollection = new StringBuilder();
string carouselIndString = string.Empty;
int count = 0;
if (spListItemCollection.Count > 0) {
foreach(SPListItem item in spListItemCollection) {
string ImageUrl = Convert.ToString(item[CommonConstants.Field_EncodedAbsUrl]);
string ImageName = Convert.ToString(item[CommonConstants.Field_Name]);
if (count == 0) {
stringCollection.AppendFormat("<div class='item active'><img src = '" + ImageUrl + "' alt = '" + ImageName + "' /></div>");
carouselIndString += "<li class='active' data-slide-to='" + count + "' data-target='#myCarousel'></li>";
} else {
carouselIndString += "<li data-slide-to='" + count + "' data-target='#myCarousel'></li>";
stringCollection.AppendFormat("<div class='item'><img src = '" + ImageUrl + "' alt = '" + ImageName + "' /></div >");
}
count++;
}
carouselIndicatordiv.InnerHtml = carouselIndString;
carousaldiv.InnerHtml = stringCollection.ToString();
leftIcon.InnerHtml = "<span class='glyphicon glyphicon-chevron-left'></span><span class='sr-only'>Previous</span>";
rightIcon.InnerHtml = "<span class='glyphicon glyphicon-chevron-right'></span><span class='sr-only'>Next</span>";
}
}
}
} else {
_commonUtil.LogExceptionToULS(CommonConstants.List_DepartmentSliderLib + " - List is not available", Microsoft.SharePoint.Administration.TraceSeverity.High);
}
}
}
} catch (Exception ex) {
_commonUtil.LogExceptionToULS(ex.ToString(), Microsoft.SharePoint.Administration.TraceSeverity.High);
}
}