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Thread: [RESOLVED]databinding dropdown problem

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  1. Mar 8th, 2005, 05:49 AM #1
    davebat
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    [RESOLVED]databinding dropdown problem

    I have a dropdown that is populated through a stored procedire triggered from the chnage of a different drop down.

    I am getting the message

    Specified argument was out of the range of valid values.
    Parameter name: value

    does any know what this means so i can start to investigate, I cannot get debug working so I dont knwo where to start looking

    -----------------------------------------------

    I Have changed code too:

    Code:
    ddSectorName.SelectedIndex = 0

ddSectorName.DataSource = dsSectorName
ddSectorName.DataTextField = "SECT_NM"
ddSectorName.DataValueField = "SECT_ID"
ddSectorName.DataBind()

ddSectorName.Items.Insert(0, "All")
ddSectorName.Items(0).Value = "%"

ddSectorName.SelectedIndex = 0
    it seems that the dropdown was stroing the indexnumber for the currently selected item in viewstate, and when databinding if the new list of items was not as big as the previous then it couldnt find the index and it would fall over.
    Last edited by davebat; Mar 10th, 2005 at 05:34 AM. Reason: [RESOLVED]
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