How to implement Add Edit Select in DataGridView1 in VB.NEt Windows Form.

How to implement Add Edit Select in DataGridView1 in VB.NEt Windows Form.I want to put Add Edit Button.
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rtayIT DirectorCommented:
Visual basic will add it for you automatically.  Drag the gridview onto the form, add a dataset making sure your table has a primary key.  At the end of the wizard for the dataset, click the checkbox to enable editing.  After wizard is complete, click the tag on the upper right corner of the gridview and check the boxes for add delete button and other options
searchsanjaysharmaAuthor Commented:
I think you need to under the question properly, when i say Add Edit, it also means functionality at backend.
rtayIT DirectorCommented:
Please explain.  What function at backend?  Maybe a little more explanation of what you are trying to do will help me understand better.
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searchsanjaysharmaAuthor Commented:
See if i bind data to datagridview and click on any cell and edit it it does not get reflected to database.
Thats what i mean to achive,
rtayIT DirectorCommented:
What database are you using?  SQL?  Attach a text copy of the table you are trying to use.
rtayIT DirectorCommented:
Also, when you create your dataset, are you having any difficulty attaching to the database?  Are you permissions ok?
searchsanjaysharmaAuthor Commented:
No dear,
you assume, table name as emp, DataGridview1 is the datagrid.
emp contains three fields.
empno empname and city.
When i double click any cell it can be edited. Now i want to save it on button click
rtayIT DirectorCommented:
Private Sub Tbl_NameBindingNavigatorSaveItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Tbl_NameBindingNavigatorSaveItem.Click

above code goes into your button_Click event.  My code is attached to the saveitem event that is automatically generated when creating a gridview in Visual Studio.  I create a dataset first, then just drag the dataset onto the form  The gridview automatically puts the save item and navigation across the top.  If you just want a save button you can add a button controll to your gridview and add the code above to it on the Button_Click event.  

Gridview will not generate the navigation tool bar with save button if your table does not have a primary key assigned to an ID field.  The field needs to be able to autogenerate a new number if you are going to add records.  I would add another field to your table as an ID Field with auto incrementing selected.
rtayIT DirectorCommented:
Sorry, leave the "Try" out of the above code.  That is the start of the code that validates the database before items are saved, i deleted the other out, but forgot that.  And add the end sub to the bottom of that.
I would suggest not to use the built-in buttons, you can easily allow user to edit any cell so long it's not Read Only attribute, you can detect any changes upon:

User leaving the row or leaving the cell, both of them will execute events that can be found in datagridviews. Then you can update your dataset, if you are using binding, otherwise, you can capture the row data and execute SQL statement for updating.

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searchsanjaysharmaAuthor Commented:
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