calling function from when clicked on datagrid cell

[dec21st]

[size=2][color=#0000ff]Dim[/color][/size][size=2] strSQL [/size][size=2][color=#0000ff]As[/color][/size][size=2] [/size][size=2][color=#0000ff]String[/color][/size][size=2] = "select inventItem.id as 'id', inventItem.name as 'name', inventItem.description as 'desc', restock.qty as 'qty', inventItem.priceQuantity as 'price', restock.qty*inventItem.priceQuantity as 'total' from inventItem inner join restock on inventItem.id = restock.item where restock.po = " & poId

[/size][size=2][color=#0000ff]Dim[/color][/size][size=2] strConn [/size][size=2][color=#0000ff]As[/color][/size][size=2] [/size][size=2][color=#0000ff]String[/color][/size][size=2] = General.strConn

[/size][size=2][color=#0000ff]Dim[/color][/size][size=2] itemDS [/size][size=2][color=#0000ff]As[/color][/size][size=2] DataSet

[/size][size=2][color=#008000]'Dim itemView As DataView

[/color][/size][size=2][/size][size=2][color=#0000ff]Dim[/color][/size][size=2] itemAdapter [/size][size=2][color=#0000ff]As[/color][/size][size=2] SqlDataAdapter

itemAdapter = [/size][size=2][color=#0000ff]New[/color][/size][size=2] SqlDataAdapter(strSQL, strConn)

itemDS = [/size][size=2][color=#0000ff]New[/color][/size][size=2] DataSet

itemAdapter.Fill(itemDS)

[/size][size=2][color=#008000]'itemView = New DataView(itemDS.Tables(0))

[/color][/size][size=2]dgItem.SetDataBinding(itemDS, "Table")

[/size][size=2][color=#0000ff]Dim[/color][/size][size=2] itemTableStyle [/size][size=2][color=#0000ff]As[/color][/size][size=2] [/size][size=2][color=#0000ff]New[/color][/size][size=2] DataGridTableStyle

itemTableStyle.MappingName = "Table"

[/size][size=2][color=#0000ff]Dim[/color][/size][size=2] aCol1 [/size][size=2][color=#0000ff]As[/color][/size][size=2] [/size][size=2][color=#0000ff]New[/color][/size][size=2] DataGridTextBoxColumn

[/size][size=2][color=#0000ff]Dim[/color][/size][size=2] aCol2 [/size][size=2][color=#0000ff]As[/color][/size][size=2] [/size][size=2][color=#0000ff]New[/color][/size][size=2] DataGridTextBoxColumn

[/size][size=2][color=#0000ff]Dim[/color][/size][size=2] aCol3 [/size][size=2][color=#0000ff]As[/color][/size][size=2] [/size][size=2][color=#0000ff]New[/color][/size][size=2] DataGridTextBoxColumn

[/size][size=2][color=#0000ff]Dim[/color][/size][size=2] aCol4 [/size][size=2][color=#0000ff]As[/color][/size][size=2] [/size][size=2][color=#0000ff]New[/color][/size][size=2] DataGridTextBoxColumn

[/size][size=2][color=#0000ff]Dim[/color][/size][size=2] aCol5 [/size][size=2][color=#0000ff]As[/color][/size][size=2] [/size][size=2][color=#0000ff]New[/color][/size][size=2] DataGridTextBoxColumn

[/size][size=2][color=#0000ff]Dim[/color][/size][size=2] aCol6 [/size][size=2][color=#0000ff]As[/color][/size][size=2] [/size][size=2][color=#0000ff]New[/color][/size][size=2] DataGridTextBoxColumn

aCol1.MappingName = "id"

aCol1.HeaderText = "ID"

aCol1.Width = 35

aCol1.Alignment = HorizontalAlignment.Center

aCol2.MappingName = "name"

aCol2.HeaderText = "Item"

aCol2.Width = 180

aCol3.MappingName = "desc"

aCol3.HeaderText = "Description"

aCol3.Width = 250

aCol3.Alignment = HorizontalAlignment.Center

aCol4.MappingName = "qty"

aCol4.HeaderText = "Quantity"

aCol4.Width = 90

aCol4.Alignment = HorizontalAlignment.Center

aCol5.MappingName = "price"

aCol5.HeaderText = "Price/Unit($)"

aCol5.Width = 90

aCol5.Alignment = HorizontalAlignment.Right

aCol5.Format = "#0.00"

aCol6.MappingName = "total"

aCol6.HeaderText = "Sub-Total($)"

aCol6.Width = 90

aCol6.Alignment = HorizontalAlignment.Right

aCol6.Format = "#0.00"

[/size][size=2][color=#0000ff]With[/color][/size][size=2] itemTableStyle.GridColumnStyles

.Add(aCol1)

.Add(aCol2)

.Add(aCol3)

.Add(aCol4)

.Add(aCol5)

.Add(aCol6)
[/size][size=2][color=#0000ff]End[/color][/size][size=2] [/size][size=2][color=#0000ff]With
[/color][/size][size=2]dgItem.TableStyles.Add(itemTableStyle)

[/size]

the codes show aboves is my datagrid declaration.
i want to know how to call a function when i click on one of the cell in my datagrid.

wat i want to do it to select a row from the datagrid. then when i click a button, it'll send the value of the first column to a function. how can i do this?