Added offset to column tag helper

src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Grid/AbpColumnTagHelper.cs

@@ -6,6 +6,8 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Grid
     {
         public string Size { get; set; }
 
+        public string Offset { get; set; }
+
         [HtmlAttributeName("order")]
         public string ColumnOrder { get; set; }
 

src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Grid/AbpColumnTagHelperService.cs

@@ -13,6 +13,7 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Grid
 
             ProcessColClass(output);
             ProcessColumnOrder(output);
+            ProcessOffset(output);
         }
 
         protected virtual void ProcessColClass(TagHelperOutput output)
@@ -39,5 +40,15 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Grid
 
             output.Attributes.AddClass("order-" + TagHelper.ColumnOrder.ToLowerInvariant());
         }
+
+        protected virtual void ProcessOffset(TagHelperOutput output)
+        {
+            if (string.IsNullOrWhiteSpace(TagHelper.Offset))
+            {
+                return;
+            }
+
+            output.Attributes.AddClass("Offset-" + TagHelper.Offset.ToLowerInvariant());
+        }
     }
 }