Insert on DataGridView is not working on my ASP.Net web page

Posted on 2010-11-10
Last Modified: 2012-08-13
I have the following definition in a form on my webpage.  The code puts a datagridview on the page and populates the grid from a table in my database.  Each row has an Edit, Delete option.  If Edit is chosen, the user can change the fields in the datagridview.  When finished with the modifications, the Update option is clicked at which time the changes are made to the database.  This works as I expected and want.  The last row in the datagridview is to insert a new record.  When I try and do the Insert, a new record is added but the fields are blank.  I copied this format from another page that does the same thing with a different table and that jpage works fine.  I'm probably just missing something but can't figure out what it is.  Any help would be greatly appreciated.
<asp:GridView ID="BereavementFacilitatorsGridView" runat="server" DataSourceID="BereavementFacilitators" 
                    AllowPaging="True" AutoGenerateColumns="False" DataKeyNames="ID" 
                    ShowFooter="True" EmptyDataText="No Facilitators Found">
                        <asp:BoundField DataField="ID" HeaderText="ID" InsertVisible="False" 
                            ReadOnly="True" SortExpression="ID" Visible="False" />
                        <asp:BoundField DataField="Category" HeaderText="Category" 
                            SortExpression="Category" Visible="False" />
                        <asp:TemplateField HeaderText="Contact" SortExpression="Contact">
                                <asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("Contact") %>'></asp:TextBox>
                                <asp:TextBox ID="NewFacilitatorTB" runat="server" Width="218px"></asp:TextBox>
                                <asp:Label ID="Label1" runat="server" Text='<%# Bind("Contact") %>'></asp:Label>
                        <asp:TemplateField HeaderText="Phone" SortExpression="Phone">
                                <asp:TextBox ID="TextBox2" runat="server" Text='<%# Bind("Phone") %>'></asp:TextBox>
                                <asp:TextBox ID="NewFacilitatorPhoneTB" runat="server" Width="218px"></asp:TextBox>
                                <asp:Label ID="Label2" runat="server" Text='<%# Bind("Phone") %>'></asp:Label>
                        <asp:TemplateField ShowHeader="False">
                                <asp:LinkButton ID="LinkButton1" runat="server" CausesValidation="True" 
                                    CommandName="Update" Text="Update"></asp:LinkButton>
                                &nbsp;<asp:LinkButton ID="LinkButton2" runat="server" CausesValidation="False" 
                                    CommandName="Cancel" Text="Cancel"></asp:LinkButton>
                                <asp:LinkButton ID="LinkButton1" runat="server" CausesValidation="False" 
                                    CommandName="Edit" Text="Edit"></asp:LinkButton>
                                &nbsp;<asp:LinkButton ID="LinkButton2" runat="server" CausesValidation="False" 
                                    CommandName="Delete" Text="Delete"></asp:LinkButton>
                                <asp:Button ID="AddNewFacilitator" runat="server" CausesValidation="false"
                                    CommandName="Insert" Text="Insert" OnClick="AddNewFacilitator_Click"></asp:Button>
                <asp:AccessDataSource ID="BereavementFacilitators" runat="server" 
                    SelectCommand="SELECT [ID], [Category], [Contact], [Phone] FROM [Bereavement] WHERE ([Category] = ?)"
                    DeleteCommand="DELETE FROM [Bereavement] WHERE [ID] = ?" 
                    InsertCommand="INSERT INTO [Bereavement] ([Category], [Contact], [Phone]) VALUES (?, ?, ?)" 
                    UpdateCommand="UPDATE [Bereavement] SET [Contact] = ?, [Phone] = ? WHERE [ID] = ?">
                        <asp:Parameter DefaultValue="Facilitators" Name="Category" Type="String" />
                        <asp:Parameter Name="ID" Type="Int32" />
                        <asp:Parameter Name="Contact" Type="String" />
                        <asp:Parameter Name="Phone" Type="String" />
                        <asp:Parameter Name="ID" Type="Int32" />
                        <asp:Parameter DefaultValue="Facilitators" Name="Category" Type="String" />
                        <asp:Parameter Name="Contact" Type="String" />
                        <asp:Parameter Name="Phone" Type="String" />

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Question by:dyarosh
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LVL 42

Accepted Solution

sedgwick earned 500 total points
ID: 34110910
by the code you hjave posted i see that upoin insert new record the following function is being called: AddNewFacilitator_Click

can u post its implementation?

Author Comment

ID: 34110988
Here is the function:

Public Sub AddNewFacilitator_Click(ByVal sender As Object, ByVal e As System.EventArgs)
End Sub

Assisted Solution

dyarosh earned 0 total points
ID: 34111810
I finally discovered the problem.  I need to set the parameter fields on the Inserting event for the data source.  Here is the code that solved the problem:

Protected Sub BereavementFacilitators_Inserting(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.SqlDataSourceCommandEventArgs) Handles BereavementFacilitators.Inserting
Dim CT As TextBox = BereavementFacilitatorsGridView.FooterRow.FindControl("NewFacilitatorTB")
Dim PH As TextBox = BereavementFacilitatorsGridView.FooterRow.FindControl("NewFacilitatorPhoneTB")
e.Command.Parameters("Category").Value = "Facilitators"
e.Command.Parameters("Contact").Value = CT.Text
e.Command.Parameters("Phone").Value = PH.Text
LVL 42

Expert Comment

ID: 34112039
great job, 10x for the points.

Author Closing Comment

ID: 34143336
Thank you for pointing me in the right direction to find the problem.

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