Apply Master Page to Site Programmatically in SharePoint

Hello folks,

In following Example we will see how to apply master page to the sub sites in SharePoint.

        /// <summary>

        /// Used to Apply the Master Page to the SubSites

        /// </summary>

        /// <param name="oSite">SPSite - Site Object</param>

        /// <param name="oWeb">SPWeb - Web Object</param>

        /// <param name="obj">SiteType</param>

        private void ApplyMasterPage(SPSite oSite, SPWeb oWeb, Utilities obj)

        {

            try

            {
                string SystemMasterPath ="_catalogs/masterpage/xx.master";

                //// Set the new web’s top link bar to inherit links from its parent web.

                oWeb.Navigation.UseShared = true;

                Hashtable hash = oWeb.AllProperties;

                hash["__InheritsMasterUrl"] = "True";

                oWeb.MasterUrl = oSite.RootWeb.ServerRelativeUrl + SystemMasterPath;

                hash["__InheritsCustomMasterUrl"] = "True";

               //// setting the Master Page from Root Site Master Pages and Page Layouts

                    oWeb.CustomMasterUrl = oSite.RootWeb.ServerRelativeUrl

                                                                                                                                                + “_catalogs/masterpage/xxx.master”;                   }

            catch (Exception ex)

            {

                //Exception Handling

            }

        }

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