Tag: e.CommandName

Here is a basic Listview that has an ItemCommand and ItemDataBound:

Frontend Code:

        
            
        
        
            

                

                    

                        <%#DataBinder.Eval(Container.DataItem, "FirstName")%> <%#DataBinder.Eval(Container.DataItem, "LastName")%>

                        <%#DataBinder.Eval(Container.DataItem, "Address1")%>

                        <%#DataBinder.Eval(Container.DataItem, "City")%>, <%#DataBinder.Eval(Container.DataItem, "State")%>, <%#DataBinder.Eval(Container.DataItem, "Zip")%>

                        <%#DataBinder.Eval(Container.DataItem, "Phone")%>

                        Click to make Default Billing Address
                        
                        

                        Click to make Default Shipping Address
                        
                    
                
                

                    

                        
                    
                    

                        
                    
                
            
            
        
    

Backend Code:

Protected Sub Page_PreRender(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.PreRender

        FindIt()

    End Sub
    Private Sub FindIt()
        
        lblAddresses.Text = ""

        Dim sqlDataConnection As System.Data.SqlClient.SqlConnection = CDataAccess.OpenDatabase
        Dim conStr As String = sqlDataConnection.ConnectionString
        sqlDataConnection.Close()

        Dim selectCommand As String = "SELECT Address.*, Customer.BillingAddressID, Customer.ShippingAddressID"
        selectCommand &= " FROM Address INNER JOIN Customer ON Address.CustomerID = Customer.CustomerID"
        selectCommand &= " WHERE Address.CustomerID = @CustomerID AND Address.Deleted = 0"

        Dim sds As New SqlDataSource()
        sds.ConnectionString = conStr
        sds.SelectParameters.Clear()

        sds.SelectParameters.Add("CustomerID", 12345)
        sds.SelectCommand = selectCommand

        lvAddresses.DataSource = sds
        lvAddresses.DataBind()
    End Sub

    Protected Sub lvAddresses_ItemCommand(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.ListViewCommandEventArgs) Handles lvAddresses.ItemCommand
        Dim dataItem As ListViewDataItem = e.Item
        Dim currentDataKey As DataKey = lvAddresses.DataKeys(dataItem.DataItemIndex)
        Dim AddressID As Integer = currentDataKey("AddressID")
        Dim BillingAddressID As Integer = currentDataKey("BillingAddressID")
        Dim ShippingAddressID As Integer = currentDataKey("ShippingAddressID")

        'MakeDefault_Billing
        'MakeDefault_Shipping
        'EDITAddress
        'REMOVEAddress
        If String.Equals(e.CommandName, "MakeDefault_Billing") Then
            MakeDefault(AddressID, True)
        ElseIf String.Equals(e.CommandName, "MakeDefault_Shipping") Then
            MakeDefault(AddressID, False)
        ElseIf String.Equals(e.CommandName, "EDITAddress") Then
            EditAddress(AddressID)
        ElseIf String.Equals(e.CommandName, "REMOVEAddress") Then
            RemoveAddress(AddressID)
        End If
    End Sub

    Protected Sub lvAddresses_ItemDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.ListViewItemEventArgs) Handles lvAddresses.ItemDataBound
        Dim dataItem As ListViewDataItem = e.Item

        If e.Item.ItemType = ListViewItemType.DataItem Then
            Dim currentDataKey As DataKey = lvAddresses.DataKeys(dataItem.DataItemIndex)
            Dim AddressID As Integer = currentDataKey("AddressID")
            Dim BillingAddressID As Integer = currentDataKey("BillingAddressID")
            Dim ShippingAddressID As Integer = currentDataKey("ShippingAddressID")
            lit = e.Item.FindControl("litMakeDefault_Billing")
            Dim lit2 As Literal = e.Item.FindControl("litMakeDefault_Shipping")
            lnk = e.Item.FindControl("lnkMakeDefault_Billing")
            Dim lnk2 As LinkButton = e.Item.FindControl("lnkMakeDefault_Shipping")

            lit.Visible = Not lnk.Visible
        End If

    End Sub