Office 365 vs sp2013 cmdlets

https://vigneshsharepointthoughts.com/2016/08/17/fix-for-follow-web-part-broken-issue-in-sharepoint-my-site/

Responsive UI in 2013 and 2016 on Premise Versions

http://dev.office.com/blogs/announcing-responsive-ui-package-for-sharepoint-on-premises-2013-2016

jQuery Plugins not working after ASP.Net AJAX UpdatePanel Partial PostBack or when Asynchronous request is over

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>

<script src="http://ajax.aspnetcdn.com/ajax/jquery.ui/1.8.9/jquery-ui.js" type="text/javascript"></script>

<link href="http://ajax.aspnetcdn.com/ajax/jquery.ui/1.8.9/themes/start/jquery-ui.css"

    rel="stylesheet" type="text/css" />

<script type="text/javascript">

    //On Page Load

    $(function () {

        $("#dvAccordian").accordion();

        $("#tabs").tabs();

   });

    //On UpdatePanel Refresh

    var prm = Sys.WebForms.PageRequestManager.getInstance();

    if (prm != null) {

        prm.add_endRequest(function (sender, e) {

            if (sender._postBackSettings.panelsToUpdate != null) {

                $("#dvAccordian").accordion();

                $("#tabs").tabs();

            }

        });

    };

</script>

<asp:ScriptManager ID="ScriptManager1" runat="server">

</asp:ScriptManager>

<asp:UpdatePanel ID="UpdatePanel1" runat="server">

    <ContentTemplate>

        <div id="dvAccordian" style="width: 400px">

            <h3>

                Section 1</h3>

            <div>

                <p>

                    This is content of Section 1

                </p>

            </div>

            <h3>

                Section 2</h3>

            <div>

                <p>

                    This is content of Section 2

                </p>

            </div>

            <h3>

                Section 3</h3>

            <div>

                <p>

                    This is content of Section 3

                </p>

            </div>

        </div>

        <br />

        <div id="tabs">

            <ul>

                <li><a href="#tabs-1">Tab 1</a></li>

                <li><a href="#tabs-2">Tab 2</a></li>

                <li><a href="#tabs-3">Tab 3</a></li>

            </ul>

            <div id="tabs-1">

                Content 1

            </div>

            <div id="tabs-2">

                Content 2

            </div>

            <div id="tabs-3">

                Content 3

            </div>

        </div>

        <br />

        <asp:Button ID="btnRefresh" runat="server" Text="Refresh" />

    </ContentTemplate>

</asp:UpdatePanel>

Access Application Page Via URL After Deploy UR Solution On Local Server For Sharepoint Developer

Access Application Page In URL Sharepoint Developement 2013

Click Image To Enlarge

Access Via URL 

C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\15\TEMPLATE\LAYOUTS\Solution Name\URApplicationPagename.aspx

Gridview On Row Delete Image Click to Delete Row

Click Image To enlarge

.Ascx Gridview Code

 <asp:TemplateField HeaderText="Delete">
            <ItemTemplate>
           <asp:ImageButton ID="imgDelete" Width="50" Height="30"  runat="server" ImageUrl="../_layouts/15/images/delete.jpg" OnClick="imgDelete_Click"  OnClientClick="javascript:return confirm('Do you really want to delete the attachment?');" />
            </ItemTemplate>
        </asp:TemplateField>

.CS Code

 protected void imgDelete_Click(object sender, ImageClickEventArgs e)
            {
                try
                {
                    SPSecurity.RunWithElevatedPrivileges(delegate()
                    {
                        using (SPSite Osite = new SPSite(SPContext.Current.Site.Url))
                        {
                            using (SPWeb oweb = Osite.OpenWeb())
                            {
                                ImageButton imgDelete = sender as ImageButton;
                                GridViewRow gvrow = (GridViewRow)imgDelete.Parent.Parent;
                                int rowindex = gvrow.RowIndex;
                                HiddenField lblid = (Employee_Grid.Rows[rowindex].FindControl("hdnItemID") as HiddenField);

                                SPList Attachmentlist = oweb.Lists.TryGetList("Employee_Details");
                                oweb.AllowUnsafeUpdates = true;
                                Attachmentlist.Items.DeleteItemById(Convert.ToInt32(lblid.Value));
                                oweb.AllowUnsafeUpdates = false;
                                //BindAttachments(gvattach, CurrentUser);
                                GetEmployeedata();
                            }
                        }
                    });
                }
                catch (Exception ex) { }


            }    
Add These In page Load

  protected void Page_Load(object sender, EventArgs e)
        {
            if (!Page.IsPostBack)
            {
                GetEmployeedata();
            }
           
        }

access Web application (Web.Config) In SharePoint 2013

Here To access a webconfig file of each webapplication in sharepoint for connectionstring

Establishment or any other use

url of access:C:\inetpub\wwwroot\wss\Virtual Directories\29312

here- 29312 my webapplication port number

access ur  webapplication by ur needed port number

Click Image To enlarge