How to insert a value in the table?

Using VB.Net

Am new to vb.net, Am using datagridview

DataGridview

ID Name ComboboxColumn

001 Raja 
002 Ravi
003 Suresh
...,

"Save" - Button

In a Datagridview am Using combobox column in a third column

Suppose If i select the value from the combobox, then i Pre开发者_开发技巧ss the save button means, The Datagridview column value should save in the table.

If am not selected the value in the combobox, the ID and Name should not save in the table.

How to make a query or code for this condition?

Need vb.net code Help

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loop through the rows of the GridView

for(int i=0; i<= GridView1.Rows.Count-1; i++)
{
    string comboValue = ((DropdownList)GridView1.Rows[i].FindControl("Dropdownlist1")).SelectedValue;
    if(comboValue == "Yes")
    {

       //Save to database. Alternatively, you can load it in your business entity object and loop through the object collection and save it to the database individually.
    }

}

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http://quickstarts.asp.net/QuickStartV20/aspnet/

here are lot of samples in VB as well in C#