Here Mudassar Ahmed Khan has explained with an example, how to implement Nested Grid (GridView) with Expand Collapse in ASP.Net MVC Razor.
The Nested Grid (GridView) will be implemented with the help of WebGrid in ASP.Net MVC Razor.

The Nested WebGrid will be a combination of Parent – Child Table where Child WebGrid will be placed inside the Parent WebGrid and the Child WebGrid will be shown and hidden using Expand-Collapse feature in ASP.Net MVC Razor.

Here Mudassar Ahmed Khan has explained with an example, how to upload, read and display Excel file data using WebGrid in ASP.Net MVC Razor.

The uploaded Excel file data will be read using OLEDB library into a DataSet and then the DataSet will be used to populate WebGrid in ASP.Net MVC Razor.

Here Mudassar Ahmed Khan has explained with an example, how to hide WebGrid Header Row in ASP.Net MVC Razor.

The Header Row will be hidden by setting displayHeader property to False in the GetHtml method of WebGrid in ASP.Net MVC Razor.

Here Mudassar Ahmed Khan has explained with an example, how to implement WebGrid with dynamic Columns in ASP.Net MVC Razor.

The list of Column names will be extracted from the Entity model using Reflection and will be used to create a List collection of WebGridColumn class.

The List collection of WebGridColumn class will be set in ViewBag object which will be later used in View to populate WebGrid with dynamic Columns in ASP.Net MVC Razor.