894758: updated the images

Author: KirupaSF4438

ej2-asp-core-mvc/multicolumn-combobox/EJ2_ASP.MVC/items.md

@@ -195,7 +195,7 @@ The [Disabled](https://help.syncfusion.com/cr/aspnetmvc-js2/Syncfusion.EJ2.Multi
 {% endhighlight %}
 {% endtabs %}
 
-![Disabled](images/disabled.jpg)
+![Disabled](images/disabled.png)
 
 ## Setting read only
 

ej2-asp-core-mvc/multicolumn-combobox/EJ2_ASP.NETCORE/items.md

@@ -196,7 +196,7 @@ The [disabled](https://help.syncfusion.com/cr/aspnetcore-js2/Syncfusion.EJ2.Mult
 {% endhighlight %}
 {% endtabs %}
 
-![Disabled](images/disabled.jpg)
+![Disabled](images/disabled.png)
 
 ## Setting read only
 

ej2-asp-core-mvc/multicolumn-combobox/images/disabled.jpg

@@ -40,7 +40,7 @@ You can disable the OTP Input control by using the [Disabled](https://help.syncf
 {% endhighlight %}
 {% endtabs %}
 
-![ASP.NET MVC OTP Input Control as Disabled](images/otp-disabled.jpg)
+![ASP.NET MVC OTP Input Control as Disabled](images/otp-disabled.png)
 
 ## CssClass
 

ej2-asp-core-mvc/multicolumn-combobox/images/disabled.png

@@ -34,7 +34,7 @@ You can disable the OTP Input control by using the [disabled](https://help.syncf
 {% endhighlight %}
 {% endtabs %}
 
-![ASP.NET Core OTP Input Control as Disabled](images/otp-disabled.jpg)
+![ASP.NET Core OTP Input Control as Disabled](images/otp-disabled.png)
 
 ## CssClass