Merge pull request #4820 from syncfusion-content/907597-Sample

907597: Fix the null exception for the multiselect.

Author: Venkat-Ayothi

blazor/datagrid/cell-edit-types.md

@@ -744,7 +744,14 @@ You can able to render SfMultiSelect component in EditTemplate. In the below sam
             <Template>
                 @{
                     var d = (context as Order).ChosenItems;
-                    <span>@String.Join(",", d)</span>
+                    if (d != null)
+                    {
+                        <span>@String.Join(",", d)</span>
+                    }
+                    else
+                    {
+                        <span>@String.Empty</span>
+                    }
                 }
             </Template>
         </GridColumn>

blazor/datagrid/filtering.md

@@ -489,7 +489,7 @@ The **WildCard** filter can process one or more search patterns using the “*
 * The **WildCard** filter option is supported for the DataGrid that has all search options.
 
 Operator |Description
------|-----|
+-----|-----
 a*b | Everything that starts with “a” and ends with “b”.
 a* | Everything that starts with “a”.
 *b | Everything that ends with “b”.