win application C# with gridview and data update option

Question

Description:

 

I already have a database with few tables ,i need to select a particular table to view and update some changes in its cells through grid view .

t

 

1.one combo box 1 - which gets table names from database 

2.Button 1 on click- submit button to populate data from the selected table in combobox 1 to gridview 

 

3.Grid view 1- to display data from the selected table that can be editable

 

4.button2 -to update or save changes in the gridview made

 

5.button3-to cancel the changes made in gridview 

 

need few properies like adjust the grid view along with table size

he complete form should be adjusted when maximized .