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Old April 4th, 2005, 12:48 PM
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Default Weird error when inserting into Access!!!

Hey guys, I get this error when I try to insert a new record to my Access database.

Here's the error:
System.FormatException: Index (zero based) must be greater than or equal to zero and less than the size of the argument list



Here is the complete code. It's the last method in the code called Save_Data()
<%@ Page Language="VB" ContentType="text/html" ResponseEncoding="iso-8859-1" Debug="true" %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.OleDb" %>

<script runat="server">

dim myCon as OleDbConnection = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0; Data Source=C:\database\workout.mdb;")
dim cmdSelect as OleDbCommand
dim dtrMuscle as OleDbDataReader
dim dtrExcersise as OleDbDataReader
dim strSelectMuscle as string
dim strSelectExcersise as string

sub Page_Load

if not IsPostBack then 

strSelectMuscle = "select muscle_id, muscle_group FROM muscle_groups"

cmdSelect = new OleDbCommand(strSelectMuscle, myCon)

dtrMuscle = cmdSelect.ExecuteReader

ddlMuscle.DataSource = dtrMuscle
ddlMuscle.DataTextField = "muscle_group"
ddlMuscle.DataValueField = "muscle_id"

ddlMuscle.Items.Insert(0, "-Select-")


end if
end sub

sub FillExcersise(s as Object, e as EventArgs)

strSelectExcersise = "SELECT excersise, excersise_id FROM excersises WHERE muscle_id = @muscle"

cmdSelect = new OleDbCommand(strSelectExcersise, myCon)
cmdSelect.Parameters.Add("@muscle", SqlDbType.Int).Value = ddlMuscle.SelectedValue()

dtrExcersise = cmdSelect.ExecuteReader

ddlExcersise.DataSource = dtrExcersise
ddlExcersise.DataTextField = "excersise"
ddlExcersise.DataValueField = "excersise_id"

'ddlExcersise.Items.Insert(0, "-Select-")


end sub

'This is the method that is given me all the trouble

sub Save_Data(s as Object, e as EventArgs)

dim cmdInsert as OleDbCommand

dim strInsert as string = "INSERT INTO workout_profiles2 (user_id, muscle_worked, excersise_performed, reps, sets, weight_lifted " & _
   "body_weight, type) VALUES (@session, @muscle, @excersise, @reps, @sets, @weight, @bodyweight, @type)"

cmdInsert = new OleDbCommand(strInsert, myCon)
cmdInsert.Parameters.Add("@session", SqlDbType.Int).Value = Session("USER_ID")
cmdInsert.Parameters.Add("@muscle", ddlMuscle.SelectedItem)
cmdInsert.Parameters.Add("@excersise", ddlExcersise.SelectedItem)
cmdInsert.Parameters.Add("@reps", SqlDbType.Int).Value = CInt(txtReps.Text)
cmdInsert.Parameters.Add("@sets", SqlDbType.Int).Value = Cint(txtSets.Text)
cmdInsert.Parameters.Add("@weight", SqlDbType.Int).Value = Cint(txtWeightLifted.Text)
cmdInsert.Parameters.Add("@bodyweight", SqlDbType.Int).Value = CInt(txtBodyWeight.Text)
cmdInsert.Parameters.Add("@type", ddlType.SelectedItem)

cmdInsert.ExecuteNonQuery() 'this is the line with the error on it

lblMessage.Text = "Your data has been saved!"

end sub


<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">

<form runat="server">
Muscle worked:<br>
<asp:dropdownlist id="ddlMuscle" runat="server" AutoPostBack="true" OnSelectedIndexChanged="FillExcersise" />
Excersise performed<br>
<asp:dropdownlist id="ddlExcersise" runat="server" />
<asp:textbox id="txtSets" runat="server" Width="30" />
<asp:textbox id="txtReps" runat="server" Width="30" />
Weight lifted:
<asp:textbox id="txtWeightLifted" runat="server" width="40" />
Current Body Weight:
<asp:textbox id="txtBodyWeight" runat="server" Width="40" />
Workout Type:
<asp:dropdownlist id="ddlType" runat="server">
 <asp:listitem Text="Free Weights" />
 <asp:listitem Text="Machine" />
 <asp:listitem Text="Hammer Strength" />
 <asp:listitem Text="Natural" />
<asp:button Text="Add!" runat="server" OnClick="Save_Data"/>

<asp:label id="lblMessage" runat="server" ForeColor="#FF0000" />


Thanks for any help you can offer me,

Old April 6th, 2005, 07:30 AM
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Join Date: Jun 2003
Posts: 1,110
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Make sure all your variable datatypes are matching up to the database types. If someone entered "151 and a half" into the weight textbox what happens?

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