Professional looking inventory management system using c#.Net, Bunifu and Guna UI elements, Sql server

The Application allows to:
-Create, delete and update users
-Create, delete and update products.
-Create, delete and update products categories.
-Create, delete and update customers
-Add Orders
When a user orders a product, the product quantity is updated
-The Order can be printed
-A dashboard presents the Number of orders made by a particular customer, The total amount of the orders by the given customer and the date of the last order.

How to use the application:
-create an mdf database file and update sql connection
-create the following tables:

CREATE TABLE [dbo].[CategoryTable] ( [CategoryId] INT NOT NULL, [CategoryName] VARCHAR (50) NOT NULL, PRIMARY KEY CLUSTERED ([CategoryId] ASC) );

CREATE TABLE [dbo].[CustomerTable] ( [CustomerId] INT NOT NULL, [CustomerName] VARCHAR (50) NOT NULL, [CustomerPhone] VARCHAR (50) NOT NULL, PRIMARY KEY CLUSTERED ([CustomerId] ASC) );

CREATE TABLE [dbo].[OrderTable] ( [OrderId] INT NOT NULL, [CustomerId] INT NOT NULL, [CustomerName] VARCHAR (50) NOT NULL, [OrderDate] VARCHAR (50) NOT NULL, [TotalAmount] INT NOT NULL, PRIMARY KEY CLUSTERED ([OrderId] ASC) );

CREATE TABLE [dbo].[ProductTable] ( [ProductId] INT NOT NULL, [ProductName] VARCHAR (50) NOT NULL, [ProductQuantity] INT NOT NULL, [ProductPrice] INT NOT NULL, [ProductDescription] VARCHAR (100) NOT NULL, [ProductCategory] VARCHAR (50) NOT NULL, PRIMARY KEY CLUSTERED ([ProductId] ASC) );

CREATE TABLE [dbo].[UserTable] ( [Uname] VARCHAR (50) NOT NULL, [Ufullname] VARCHAR (50) NOT NULL, [Upassword] VARCHAR (50) NOT NULL, [Uphone] NCHAR (10) NOT NULL, CONSTRAINT [PK_Table] PRIMARY KEY CLUSTERED ([Uphone] ASC) );

-Insert a user to users table
-start the app
-login with the previously inserted user