DropDownDataGrid PopupStyle added

Author: enchev

Radzen.Blazor/RadzenDropDownDataGrid.razor

@@ -112,7 +112,7 @@
         </div>
 
         <div id="@PopupID" class="@(Multiple ? "rz-multiselect-panel" : "rz-dropdown-panel")"
-             style="display:none;min-width:400px;padding:0px;">
+             style="@PopupStyle">
             <div class="rz-lookup-panel" @onkeydown="@CloseOnEscape">
                 @if (AllowFiltering || HeaderTemplate != null)
                 {

Radzen.Blazor/RadzenDropDownDataGrid.razor.cs

@@ -56,6 +56,13 @@ public partial class RadzenDropDownDataGrid<TValue> : DropDownBase<TValue>
         [Parameter]
         public bool Chips { get; set; }
 
+        /// <summary>
+        /// Gets or sets the Popup style.
+        /// </summary>
+        /// <value>The number Popup style.</value>
+        [Parameter]
+        public string PopupStyle { get; set; } = "display:none;min-width:400px;padding:0px;";
+
         /// <summary>
         /// Executes CellRender callback.
         /// </summary>