MS SQL Server :: Detailsview Control - How To Edit Record In Sql Server Express

Edit Function In DetailsView

May 1, 2006

Hello
Am developing a web site using ASP.net 2.0. I have page to manage the employees information in term of viewing, inserting and updating. The problem is that the updating part doesn't work and it didn't give me any error messages.
My code is as following:
<%@ Page Language="VB" AutoEventWireup="false"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Untitled Page</title>
</head>
<script runat="server" >

    Protected Sub DetailsView1_ItemInserted(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.DetailsViewInsertedEventArgs)

        If (Not e.Exception Is Nothing) Then

            ErrorMessageLabel.Text = "An error occured while entering this record. Please verify you have entered data in the correct format."
            e.ExceptionHandled = True
        End If
        GridView1.DataBind()
    End Sub

    Protected Sub DetailsView1_ItemUpdated(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.DetailsViewUpdatedEventArgs)

        GridView1.DataBind()
    End Sub

    Protected Sub DropDownList1_SelectedIndexChanged(ByVal sender As Object, ByVal e As EventArgs)

        DetailsView1.ChangeMode(DetailsViewMode.ReadOnly)
    End Sub

    Protected Sub GridView1_SelectedIndexChanged(ByVal sender As Object, ByVal e As EventArgs)

        DetailsView1.ChangeMode(DetailsViewMode.ReadOnly)
    End Sub

    Protected Sub GridView1_PageIndexChanged(ByVal sender As Object, ByVal e As EventArgs)

        DetailsView1.ChangeMode(DetailsViewMode.ReadOnly)
    End Sub

    Protected Sub GridView1_Sorted(ByVal sender As Object, ByVal e As System.EventArgs)
        DetailsView1.ChangeMode(DetailsViewMode.ReadOnly)
    End Sub

</script>
<body dir="rtl">
    <form id="form1" runat="server">
        <br />
        <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:warehouse DBConnectionString2 %>"
            ProviderName="<%$ ConnectionStrings:warehouse DBConnectionString2.ProviderName %>"
            SelectCommand="SELECT DISTINCT [dep_Code], [dep_Name], [BRN_Code] FROM [Departments]"></asp:SqlDataSource>

        <asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:warehouse DBConnectionString2 %>"
            ProviderName="<%$ ConnectionStrings:warehouse DBConnectionString2.ProviderName %>"
            SelectCommand="SELECT DISTINCT [ID], [Name],[Position], [DEPT_Code] FROM [Employees]
            where [DEPT_Code]=@dep_Name">
        <SelectParameters>
        <asp:ControlParameter ControlID="DropDownList1" Name="dep_Name" Type="Int32" />
        </SelectParameters>
        </asp:SqlDataSource>

        <asp:SqlDataSource ID="SqlDataSource3" runat="server" ConnectionString="<%$ ConnectionStrings:warehouse DBConnectionString2 %>"
            ProviderName="<%$ ConnectionStrings:warehouse DBConnectionString2.ProviderName %>"
            SelectCommand="SELECT DISTINCT [ID], [Authentication], [Name], [Password], [Position], [DEPT_Code], [Contact] FROM [Employees]
            where [ID]=@ID "

            UpdateCommand="UPDATE [Employees]
                           SET
                           [ID] = @ID,
                             [Authentication]=@Authentication,
                             [Name]=@Name,
                             [Password]=@Password,
                           [Position]=@Position,
                             [DEPT_Code]=@DEPT_Code,
                             [Contact]=@Contact
                           WHERE [ID] = @ID "

            InsertCommand="INSERT INTO [Employees]
                   ([ID], [Authentication], [Name], [Password], [Position], [DEPT_Code], [Contact])
            Values (@ID, @Authentication, @Name, @Password, @Position, @DEPT_Code, @Contact) "
            >
        <SelectParameters>
        <asp:ControlParameter ControlID="GridView1" Name="ID" Type="Int32" PropertyName="SelectedValue" />
        </SelectParameters>

        <UpdateParameters>
        <asp:Parameter Name="ID" Type="Int32" />
        <asp:Parameter Name="Authentication" Type="Int16" />
        <asp:Parameter Name="Name" Type="String" />
        <asp:Parameter Name="Password" Type="String" />
        <asp:Parameter Name="Position" Type="String" />
        <asp:Parameter Name="DEPT_Code" Type="Int32" />
        <asp:Parameter Name="Contact" Type="String" />
        </UpdateParameters>

        <InsertParameters>
        <asp:Parameter Name="ID" Type="Int32" />
        <asp:Parameter Name="Authentication" Type="Int16" />
        <asp:Parameter Name="Name" Type="String" />
        <asp:Parameter Name="Password" Type="String" />
        <asp:Parameter Name="Position" Type="String" />
        <asp:Parameter Name="DEPT_Code" Type="Int32" />
        <asp:Parameter Name="Contact" Type="String" />
        </InsertParameters>
        </asp:SqlDataSource>
         
        <br />
        <br />
        أختر القسم : 
        <asp:DropDownList ID="DropDownList1" DataSourceID="SqlDataSource1" AutoPostBack="True"
      DataTextField="dep_Name" runat="server" DataValueField="dep_Code" OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged" >
        <asp:ListItem></asp:ListItem>
    </asp:DropDownList>
        <table >
            <tr>
                <td style="width: 100px">
                </td>
                <td style="width: 100px">
                </td>
            </tr>
            <tr>
                <td style="width: 100px; height: 154px" valign="top">
                    <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="ID"
                        DataSourceID="SqlDataSource2" AllowPaging="True" AllowSorting="True" OnSelectedIndexChanged="GridView1_SelectedIndexChanged" OnPageIndexChanged="GridView1_PageIndexChanged">
                        <Columns>
                            <asp:BoundField DataField="ID" HeaderText="ID" ReadOnly="True" SortExpression="ID" />

                            <asp:BoundField DataField="Name" HeaderText="Name" SortExpression="Name" />
                            <asp:BoundField DataField="Position" HeaderText="Position" SortExpression="Position" />
                            <asp:BoundField DataField="DEPT_Code" HeaderText="DEPT_Code" SortExpression="DEPT_Code" Visible="False" />

                            <asp:CommandField ShowSelectButton="True" />
                        </Columns>
                    </asp:GridView>
                </td>
               <td style="width: 100px; height: 154px" valign="top">
                    <asp:DetailsView ID="DetailsView1" runat="server" AutoGenerateRows="False" DataKeyNames="ID" OnItemUpdated="DetailsView1_ItemUpdated"
                        DataSourceID="SqlDataSource3" Height="50px" Width="125px" AllowPaging="True" OnItemInserted="DetailsView1_ItemInserted">
                        <Fields>
                            <asp:BoundField DataField="ID" HeaderText="ID" ReadOnly="True" SortExpression="ID" />
                            <asp:BoundField DataField="Name" HeaderText="Name" SortExpression="Name" />
                            <asp:BoundField DataField="Password" HeaderText="Password" SortExpression="Password" />
                            <asp:BoundField DataField="Position" HeaderText="Position" SortExpression="Position" />
                            <asp:BoundField DataField="Contact" HeaderText="Contact" SortExpression="Contact" />
                            <asp:TemplateField HeaderText="Department" SortExpression="DEPT_Code" >
                                <ItemTemplate>
                                    <asp:Label ID="Label1" runat="server" Text='<%#Eval("DEPT_Code") %>'></asp:Label>
                                </ItemTemplate>
                                <EditItemTemplate>
                                    <asp:DropDownList ID="DropDownList2" runat="server" DataSourceID="SqlDataSource1"
                                    DataTextField="dep_Name" DataValueField="dep_Code" SelectedValue='<%# Bind("DEPT_Code") %>'>
                                    </asp:DropDownList>
                                </EditItemTemplate>
                                <InsertItemTemplate>
                                <asp:DropDownList ID="DropDownList3" runat="server" DataSourceID="SqlDataSource1"
                                DataTextField="dep_Name" DataValueField="dep_Code" SelectedValue='<%# Bind("DEPT_Code") %>'>
                                </asp:DropDownList>
                                </InsertItemTemplate>
                            </asp:TemplateField>
                            <asp:TemplateField HeaderText="Authentication" SortExpression="Authentication">
                            <ItemTemplate>
                                <asp:Label ID="Label2" runat="server" Text='<%#Eval("Authentication") %>'></asp:Label>
                            </ItemTemplate>
                            <EditItemTemplate>
                                <asp:DropDownList ID="DropDownList4" runat="server" SelectedValue='<%# Bind("Authentication") %>'>
                                <asp:ListItem Text="Admin_User" Value="1" />
                                <asp:ListItem Text="Super_User" Value="2" />
                                <asp:ListItem Text="Normal_User" Value="3" />
                                </asp:DropDownList>
                            </EditItemTemplate>
                            <InsertItemTemplate>
                            <asp:DropDownList ID="DropDownList5" runat="server" SelectedValue='<%# Bind("Authentication") %>'>
                                <asp:ListItem Text="Admin_User" Value="1" />
                                <asp:ListItem Text="Super_User" Value="2" />
                                <asp:ListItem Text="Normal_User" Value="3" />
                                </asp:DropDownList>
                            </InsertItemTemplate>
                            </asp:TemplateField>
                            <asp:CommandField ShowInsertButton="True" />
                            <asp:CommandField ShowEditButton="True" />
                        </Fields>
                    </asp:DetailsView>
                </td>
            </tr>
        </table>

       <asp:Label ID="ErrorMessageLabel" EnableViewState="false" runat="server" />
    </form>
</body>
</html>

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/*This saves the bits to the Major table*/

SET @ProjectID = SCOPE_IDENTITY()
INSERT INTO EW_MajorBasic(ProjectID,ProjectName,WorkCell,JobName,PartName)
VALUES (@ProjectID,@Projectname,@WorkCell,@JobName,@PartName)

Set nocount off

SELECT @ProjectID as ProjectID

SQLDataSource<asp:SqlDataSource ID="ProjectData" runat="server" ConnectionString="<%$ ConnectionStrings:myConnectionString %>"
SelectCommand="usp_EW_GETMajorBasic"
SelectCommandType="StoredProcedure"
UpdateCommand="usp_EW_UPDATEMajorBasic"
InsertCommand="usp_EW_INSERTMajor"
InsertCommandType="StoredProcedure"
UpdateCommandType="StoredProcedure"
DeleteCommand="DELETE FROM EW_Project WHERE ProjectID = @ProjectID"
>
<UpdateParameters>
<asp:Parameter Name="ProjectID" Type="Int32" />
<asp:Parameter Name="StartDate" Type="DateTime" />
<asp:Parameter Name="Finishdate" Type="DateTime" />
<asp:Parameter Name="ProjectName" Type="String" />
<asp:Parameter Name="WorkCell" Type="String" />
<asp:Parameter Name="JobName" Type="String" />
<asp:Parameter Name="PartName" Type="String" />
<asp:Parameter Name="StatusID" Type="Int32" />
<asp:Parameter Name="ResponsibleID" Type="Int32" />
<asp:CookieParameter CookieName="EW_FacilityID" Name="FacilityID" />
</UpdateParameters>
<InsertParameters>
<asp:Parameter Name="StartDate" Type="DateTime" />
<asp:Parameter Name="Finishdate" Type="DateTime" />
<asp:Parameter Name="ProjectName" Type="String" />
<asp:Parameter Name="WorkCell" Type="String" />
<asp:Parameter Name="JobName" Type="String" />
<asp:Parameter Name="PartName" Type="String" />
<asp:Parameter Name="StatusID" Type="Int32" />
<asp:Parameter Name="ResponsibleID" Type="Int32" />
<asp:CookieParameter CookieName="EW_FacilityID" Name="FacilityID" />
</InsertParameters>
<SelectParameters>
<asp:Parameter Name="ProjectID" Type="Int32" />
</SelectParameters>
<DeleteParameters>
<asp:Parameter Name="ProjectID" />
</DeleteParameters>
</asp:SqlDataSource>

DetailsView<asp:DetailsView
ID="DetailsView1"
runat="server"
AutoGenerateRows="False"
DataKeyNames="ProjectID"
DataSourceID="ProjectData"
SkinID="SimpleDetailsView"
OnItemDeleted="ProjectData_Deleted"
OnItemInserted="DetailsView1_ItemInserted">

Code-Behind: Sub DetailsView1_ItemInserted(ByVal sender As Object, ByVal e As DetailsViewInsertedEventArgs) Handles DetailsView1.ItemInserted
Dim newID As Integer = e.Values("ProjectID")
testlabel.Text = newID
End Sub

To be clear, everything is working. When I come to this page with an ID, the records display fine (Select works). The Update and Delete work just fine. The Insert works fine too. It's just that the ItemInserted part does not want to grab the ProjectID. Specifically, testlabel displays a Zero.

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Mar 20, 2008

I have been stuck on this problem for over a week, and have ripped out about all of my hair, so here it goes.

I am working on a portfolio on a website that administrators are allowed to update, but the public may only view....easy enough? The grid has three parameters; CatID, Descrip, and Pic - as seen below.

<asp:SqlDataSource ID="SqlDataSource2" runat="server"

ConnectionString="<%$ ConnectionStrings:NORTHWNDConnectionString %>"

SelectCommand="SELECT [CatID], [Descrip], [Pic] FROM [Categories]"

UpdateCommand="UPDATE Categories SET Descrip = @Descrip, Pic = @Pic WHERE CatID = @CatID"

DeleteCommand="DELETE FROM Categories WHERE CatID = @CatID"

InsertCommand="INSERT INTO [Categories] ([CatID], [Descrip], [Pic]) VALUES (@CatID, @Descrip, @Pic)" >

<DeleteParameters>

<asp:Parameter Name="CatID" Type="String" />

<asp:parameter Name="Descrip" />

</DeleteParameters>

<UpdateParameters>

<asp:parameter Name="Descrip" />

<asp:parameter Name="Pic" />

<asp:parameter Name="CatID" Type="String" />

</UpdateParameters>

<insertparameters>

<asp:parameter Name="CatID" Type="String" />

<asp:parameter Name="Descrip" Type="String" />

<asp:parameter Name="Pic" Type="String"/>

</insertparameters>

</asp:SqlDataSource>

The first this I am not sure of, is whether Pic should be a String or not.

Basically I am using Detailsview for the administrator to update, and the gridview for the public view.

<asp:DetailsView ID="DetailsView1" runat="server" AllowPaging="True"

AutoGenerateRows="False" DataKeyNames="CatID" HeaderText = "Portfolio"

DataSourceID="SqlDataSource2" Height="50px"

Width="300px" Font-Size = "14px" HeaderStyle-Font-Size="Larger" HeaderStyle-BackColor ="#27437D" HeaderStyle-ForeColor = "White"

BackColor="White" BorderColor="#999999" BorderStyle="None" BorderWidth="1px"

CellPadding="3" GridLines="Vertical">

<footerstyle backcolor="#CCCCCC" forecolor="Black" />

<rowstyle backcolor="#EEEEEE" forecolor="Black" />

<pagerstyle backcolor="#999999" forecolor="Black" horizontalalign="Center" />

<Fields>

<asp:boundfield DataField="CatID" HeaderText="Building/Job Name" ReadOnly="True" SortExpression="CatID">

</asp:boundfield>

<asp:boundfield DataField="Descrip" HeaderText="Description" SortExpression="CompanyName">

</asp:boundfield>

<asp:TemplateField HeaderText="Picture">

<EditItemTemplate>

<asp:TextBox ID="TextBox1" runat="server" Text='<%#Eval("Pic")%>' ></asp:TextBox>

</EditItemTemplate>

<InsertItemTemplate>

<asp:TextBox ID="TextBox1" runat="server" Text='<%#Eval("Pic")%>' ></asp:TextBox>

</InsertItemTemplate>

<ItemTemplate>

<asp:Image ID="Image1" runat="server" ImageUrl='<%# Eval("Pic") %>' />

</ItemTemplate>

</asp:TemplateField>

<asp:commandfield ShowDeleteButton="True" ShowEditButton="True" ShowInsertButton="True">

</asp:commandfield>

</Fields>

<HeaderStyle BackColor="#27437D" Font-Size="Larger" ForeColor="White"></HeaderStyle>

<alternatingrowstyle backcolor="#DCDCDC" />

</asp:DetailsView>

And my Gridview...

<asp:GridView ID= "GridView1" runat="server" DataSourceID="SqlDataSource2" AllowSorting="True" BackColor="White" CellPadding="3" Caption = "Portfolio"

Font-Size ="14px" BorderColor="#999999"BorderStyle="None"BorderWidth="1px"GridLines="Vertical"AutoGenerateColumns="False">

<FooterStyle BackColor="#CCCCCC" ForeColor="Black" />

<RowStyle BackColor="#EEEEEE" Font-Size = "Small" ForeColor="Black" />

<columns>

<asp:boundfield DataField="CatID" HeaderText="Building/Job Name"></asp:boundfield>

<asp:boundfield DataField="Descrip" HeaderText="Description"></asp:boundfield>

<asp:TemplateField HeaderText="Picture">

<EditItemTemplate>

<asp:TextBox ID="TextBox1" runat="server" text='<%# Eval("Pic") %>'

></asp:TextBox>

</EditItemTemplate>

<ItemTemplate>

<asp:Image ID="Image1" runat="server" ImageUrl= '<%# Eval("Pic") %>' />

</ItemTemplate>

</asp:TemplateField>

</columns>

<PagerStyle BackColor="#999999" ForeColor="Black" HorizontalAlign="Center" />

<SelectedRowStyle BackColor="#008A8C" Font-Bold="True" ForeColor="White" />

<HeaderStyle BackColor="#27437D" Font-Bold="True" ForeColor="White" />

<AlternatingRowStyle BackColor="#DCDCDC" />

</asp:GridView>

Now as I was looking around on the web I saw many people converting the path of the image to binary and the casting it to the DB, and likewise retrieving it from the DB as binary and converting it to an image, the problem is, I don't know how to do this.

Any help to ease my troubles is apprechiated greatly.

Edit: Also I am not totally sure what the '<%Eval("Pic") %>' is doing, it was autofilled for me.
Edit again: Another thing, if I replace any of the ImageUrl to an image path on the computer it does fill the space in the gridview/detailsview. However, with both cases I get a Operand type clash: nvarchar is incompatible with image error.

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codebehind : 1 using System;
2 using System.Data;
3 using System.Configuration;
4 using System.Collections;
5 using System.Web;
6 using System.Web.Security;
7 using System.Web.UI;
8 using System.Web.UI.WebControls;
9 using System.Web.UI.WebControls.WebParts;
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12
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15
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