Calling SQL Stored procedure from codebehind problems

hello, I am having a bit problems with this one and I dont know why, it should work.

The stored procedure works fine when I execute, but when I use codebehind to call it, thats where it does not work.

codebehind (vb .net)
Function ssRadioStatistik(ByVal ChannelName As String, ByVal AlbumTitle As String, ByVal TrackTitle As String, ByVal DisplayArtist As String, ByVal StartTime As String)
            If DisplayArtist.ToLower.Contains("wrd1") = True And DisplayArtist.ToLower.Contains("wrd2") = True Then

'tested with a msgbox to see if it comes to here and it does...

                Dim myConnectionString As String = ConfigurationManager.ConnectionStrings("ConnectionString").ConnectionString


                Dim myConnection As SqlClient.SqlConnection = New SqlClient.SqlConnection(myConnectionString)
                    Dim command As SqlClient.SqlCommand = New SqlClient.SqlCommand("ErDetsStoredProcedure", myConnection)
                    command.CommandType = CommandType.StoredProcedure
                    command.Parameters.AddWithValue("@ChannelName", ChannelName)
                    command.Parameters.AddWithValue("@AlbumTitle", AlbumTitle)
                    command.Parameters.AddWithValue("@TrackTitle", TrackTitle)
                    command.Parameters.AddWithValue("@DisplayArtist", DisplayArtist)
                    command.Parameters.AddWithValue("@StartTime", StartTime)
                End Try

            End If
        Catch ex As Exception
        End Try
    End Function

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Stored procedure code(works fine when executed)
ALTER PROCEDURE [Joachim_ErDets].[ErDetBieberStoredProcedure]
	@ChannelName nvarchar(50),
    @AlbumTitle nvarchar(50),
	@TrackTitle nvarchar(50),
	@DisplayArtist nvarchar(50),
	@StartTime datetime

IF NOT EXISTS (SELECT * FROM ErDetsTable WHERE StartTime = @StartTime AND ChannelName = @ChannelName)
    INSERT INTO ErDetsTable (ChannelName, AlbumTitle, TrackTitle, DisplayArtist, StartTime, DatetimeStamp)
    VALUES (@ChannelName, @AlbumTitle, @TrackTitle, @DisplayArtist, @StartTime, GETDATE())

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it gives no error when I try the use the codebehind to execute it, but it does not write anything in table. (tested the stored procedure by executing it, works great)

Thanks in advance, I have no clue why this does not work.
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Miguel OzSoftware EngineerCommented:
You need to pass StartTime as date time parameter.
Replace line 20:
command.Parameters.AddWithValue("@StartTime", StartTime)
'Add the parameter.
Dim parameter As SqlParameter= command.Parameters.Add("@dt",  System.Data.SqlDbType.DateTime);
'Set the value.
parameter.Value = DateTime.Now;
' Execute the proc


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>thats where it does not work.

you are missing


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again if u face issues, add

 Catch ex As Exception
response.write ex.toString()  'For Testing only
        End Try

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Miguel OzSoftware EngineerCommented:
I already mentioned command.ExecuteNonQuery() as part of my previous post.

Sorry about that..... truly, i didn't read your comment properly..
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