Data loading update, prospect container styling

FoodsharingSiegen.Server/BaseClasses/FsBase.cs

@@ -64,6 +64,12 @@ namespace FoodsharingSiegen.Server.BaseClasses
 
         #endregion
 
+        #region Private Fields
+
+        private bool _dataInitialized;
+
+        #endregion
+
         #region Override OnInitializedAsync
 
         /// <summary>
@@ -77,6 +83,34 @@ namespace FoodsharingSiegen.Server.BaseClasses
 
         #endregion
 
+        #region Override SetParametersAsync
+
+        /// <inheritdoc />
+        public override async Task SetParametersAsync(ParameterView parameters)
+        {
+            parameters.SetParameterProperties(this);
+
+            if (!_dataInitialized)
+            {
+                _dataInitialized = true;
+                await InitializeDataAsync();
+            }
+
+            // Da die Parameter bereits gesetzt wurden, kann die Basisklasse am Ende aufgerufen werden.
+            await base.SetParametersAsync(ParameterView.Empty);
+        }
+
+        #endregion
+
+        #region Protected Method InitializeDataAsync
+
+        /// <summary>
+        ///     Initialize data here, Database Actions belong here
+        /// </summary>
+        protected virtual async Task InitializeDataAsync() => await Task.CompletedTask;
+
+        #endregion
+
         #region Protected Method RefreshState
 
         /// <summary>