You can access by its index value like below.
HTML
<asp:Label ID="lblValue1" runat="server"></asp:Label>
<asp:Label ID="lblValue2" runat="server"></asp:Label>
<asp:Label ID="lblValue3" runat="server"></asp:Label>
<asp:Label ID="lblValue4" runat="server"></asp:Label>
<asp:Label ID="lblValue5" runat="server"></asp:Label>
C#
string[] mykey = ConfigurationManager.AppSettings["mykey"].Split(',');
// By for loop
for (int i = 0; i < mykey.Length; i++)
{
switch (i)
{
case 0:
lblValue1.Text = mykey[i].ToString();
break;
case 1:
lblValue2.Text = mykey[i].ToString();
break;
case 2:
lblValue3.Text = mykey[i].ToString();
break;
case 3:
lblValue4.Text = mykey[i].ToString();
break;
case 4:
lblValue5.Text = mykey[i].ToString();
break;
}
}
// By setting index
lblValue1.Text = mykey[0].ToString();
lblValue2.Text = mykey[1].ToString();
lblValue2.Text = mykey[2].ToString();
lblValue4.Text = mykey[3].ToString();
lblValue5.Text = mykey[4].ToString();
VB.Net
Dim mykey As String() = ConfigurationManager.AppSettings("mykey").Split(","c)
For i As Integer = 0 To mykey.Length - 1
Select Case i
Case 0
lblValue1.Text = mykey(i).ToString()
Case 1
lblValue2.Text = mykey(i).ToString()
Case 2
lblValue3.Text = mykey(i).ToString()
Case 3
lblValue4.Text = mykey(i).ToString()
Case 4
lblValue5.Text = mykey(i).ToString()
End Select
Next
lblValue1.Text = mykey(0).ToString()
lblValue2.Text = mykey(1).ToString()
lblValue2.Text = mykey(2).ToString()
lblValue4.Text = mykey(3).ToString()
lblValue5.Text = mykey(4).ToString()