Andrew
asked on
DetailsView dropdownlist selected value?
Hello, having trouble figuring out how to properly assign a selected value to a data-driven dropdownlist control within a detailsview in Edit mode. I have working the population of the dropdownlist with the data from the Plant table, but need to assign the selected value as the result of my first selectCommand (original value before any editing editing done)... Any help appreciated.
TIA,
Andrew
Protected Sub DVSeedTracker_DataBound(sender As Object, e As System.EventArgs) Handles DVSeedTracker.DataBound
Dim ddPlant As DropDownList = TryCast(DVSeedTracker.FindControl("ddPlant"), DropDownList)
Dim row As DataRowView = TryCast(DVSeedTracker.DataItem, DataRowView)
If ddPlant IsNot Nothing Then
Using stCon As New SqlConnection(ConfigurationManager.ConnectionStrings("SeedTrackerConnectionString").ConnectionString)
stCon.Open()
Dim selectCommand1 As New SqlCommand("SELECT Plant FROM SeedTracker WHERE STID=@STID", stCon)
selectCommand1.Parameters.AddWithValue("STID", sSTID)
Dim sPlantID As String = CType(selectCommand1.ExecuteScalar, String)
Dim selectCommand2 As New SqlCommand("SELECT PLID, PLANT, LID FROM Plant ORDER BY Plant DESC", stCon)
Dim stDataReader As SqlDataReader = selectCommand2.ExecuteReader
If stDataReader.HasRows Then
While stDataReader.Read()
If Not stDataReader.Item("PLID") Is DBNull.Value Then
Dim intPLID As Integer = stDataReader.Item("PLID")
Dim sPLant As String = stDataReader.Item("Plant")
Dim sLabID As String = stDataReader.Item("LID")
ddPlant.Items.Insert(0, sPLant)
If intPLID = sPlantID Then
ddPlant.SelectedIndex = ddPlant.Items.IndexOf(ddPlant.Items.FindByValue(row("PLID").ToString()))
End If
End If
End While
End If
stDataReader.Close()
stCon.Close()
End Using
End If
End Sub
TIA,
Andrew
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ASKER
Thank you!
try modifying the SqlParameterCollection.Add
Change:
selectCommand1.Parameters.
To:
selectCommand1.Parameters.
Alan