How to delete row in Grid.

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C#

.NET

Hi All,

I am working with grid view, The data will bind from sql,
My problem with i am using array to delete a single row,

After deleting the row, when i added another one, the deleted row also showing me.

Ex:
SelectItem ADD.

Gridview:
1. Delete Apple Cost
2. Delete Mango Cost
3. Delete Pain apple Cost

The data is from SQL. i want to delete 3rd row. and want to insert another one. but i am getting like this.

Gridview:
1. Delete
2. Delete
3. Delete
4. Delete Orange Cost

I am using array to delete rows.

My Code is:
GV_Order.Rows.RemoveAt(e.RowIndex);
Array.Clear(arr,e.RowIndex,5);

Please help me