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Thread: Help!

  1. #1

    Thread Starter
    New Member
    Join Date
    Jan 2005
    Posts
    3

    Help!

    I am not a programer nor do I claim to be! But I have a simple ASP.Net page that I must get working and I am getting the following error.

    System.Data.OleDb.OleDbException: Command text was not set for the command object.

    Here is the code:

    <%@ Page Language="VB" Debug="true" %>



    <%@ Import Namespace="System.Data" %>
    <%@ Import Namespace="System.Data.OleDb" %>

    <script language="VB" runat="server">

    Sub btnRunQuery_OnClick(Sender As Object, E As EventArgs)
    Dim objConnection As OleDbConnection
    Dim objCommand As OleDbCommand
    Dim objDataReader As OleDbDataReader
    Dim strSQLQuery As String

    objConnection = New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0; Data Source=" & Server.MapPath("dbase/osale.mdb") & ";")

    objCommand = New OleDbCommand(strSQLQuery, objConnection)

    objConnection.Open()

    objDataReader = objCommand.ExecuteReader(CommandBehavior.CloseConnection)

    lblSQLCommandLabel.Text = strSQLQuery

    EmployeeDataGrid.DataSource = objDataReader
    EmployeeDataGrid.DataBind()

    End Sub
    </script>

    <html>
    <body>

    <form action="database.aspx" method="post" runat="server">
    <font face="Verdana" size="2"><strong>Ohio Real Estate
    Transfers 2005</strong></font><br />

    <p>

    <strong>Sort By:</strong><br />

    <aspropDownList id="ddlSortBy" runat="server">
    <asp:ListItem Value="PARCEL">Parcel No.</asp:ListItem>
    <asp:ListItem Value="PNAME">Grantee</asp:ListItem>
    <asp:ListItem Value="LNAME">Grantor</asp:ListItem>
    <asp:ListItem Value="SDATE">Date</asp:ListItem>
    </aspropDownList>

    <aspropDownList id="ddlSortOrder" runat="server">
    <asp:ListItem value=" ASC" >Ascending</asp:ListItem>
    <asp:ListItem value=" DESC">Descending</asp:ListItem>
    </aspropDownList>

    <asp:Button type="submit" id="btnRunQuery" text="Run Query" OnClick="btnRunQuery_OnClick" runat="server" />
    </form>

    <p>
    <strong>Results of:</strong> <asp:label id="lblSQLCommandLabel" runat="server" />
    </p>

    <aspataGrid id="EmployeeDataGrid" runat="server"
    cellspacing="1"
    cellpadding="2"
    HeaderStyle-Font-Bold="True"
    ToolTip="This is Cool!"
    MaintainViewState="false"
    />

    </body>
    </html>

    Here is the debug info:

    Command text was not set for the command object.
    Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

    Exception Details: System.Data.OleDb.OleDbException: Command text was not set for the command object.

    Source Error:


    Line 20: objConnection.Open()
    Line 21:
    Line 22: objDataReader = objCommand.ExecuteReader(CommandBehavior.CloseConnection)
    Line 23:
    Line 24: lblSQLCommandLabel.Text = strSQLQuery


    Source File: I:\InetPub\Intranet\MCPublic\database.aspx Line: 22

    Stack Trace:


    [OleDbException (0x80040e0c): Command text was not set for the command object.]
    System.Data.OleDb.OleDbCommand.ExecuteCommandTextErrorHandling(Int32 hr) +41
    System.Data.OleDb.OleDbCommand.ExecuteCommandTextForSingleResult(tagDBPARAMS dbParams, Object& executeResult) +174
    System.Data.OleDb.OleDbCommand.ExecuteCommandText(Object& executeResult) +92
    System.Data.OleDb.OleDbCommand.ExecuteCommand(CommandBehavior behavior, Object& executeResult) +65
    System.Data.OleDb.OleDbCommand.ExecuteReaderInternal(CommandBehavior behavior, String method) +112
    System.Data.OleDb.OleDbCommand.ExecuteReader(CommandBehavior behavior) +69
    ASP.database_aspx.btnRunQuery_OnClick(Object Sender, EventArgs E) in I:\InetPub\Intranet\MCPublic\database.aspx:22
    System.Web.UI.WebControls.Button.OnClick(EventArgs e) +108
    System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +57
    System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +18
    System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33
    System.Web.UI.Page.ProcessRequestMain() +1292


    I have a basic understanding at best of setting this up. But I need someone who knows thier stuff to explain this in simple terms.

    Thanks!!!!!
    Last edited by rkvdjv; Jan 5th, 2005 at 10:46 PM.

  2. #2
    Retired VBF Adm1nistrator plenderj's Avatar
    Join Date
    Jan 2001
    Location
    Dublin, Ireland
    Posts
    10,359

    Re: Help!

    You're not actually asking the DB to do any work. Look at strSQLQuery and you'll see that you're not entering anything into it. You need to put SQL statements in there
    Microsoft MVP : Visual Developer - Visual Basic [2004-2005]

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