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Adding functionality to hyperlink on a DetailsView

Posted on 2008-10-14
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Last Modified: 2012-05-05
Hi all,

   I have a DetailView control on my page and have added a hyperlink that goes to another page.  Clicking on the link opens the other page fine, but I'd like to carry over information from the DetailView to the new page.  Not sure how to insert this code.  I was going to stuff the data into Session variables before the new page opened and then populate the new page with the Session data.  How do I do this?  Or is there a better way?  Thanks!
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Question by:jvalescu
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Accepted Solution

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NicksonKoh earned 500 total points
ID: 22717360
Hi there,

Session isn't a good way in this case. You can sent via query string.



    Dim strURL As String = "test.aspx"
    Dim arrParam(1) As String
    Dim strID, strName As String
    strID = "00123"
    strName = "Tester"
    
    arrParam(0) = "id=" & strID
    arrParam(1) = "name=" & strName
    strURL &= "?" & String.Join("&", arrParam)  'Just put strURl as the link

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Author Comment

by:jvalescu
ID: 22717401
But where exactly do I put this code in the .cs file (I know your example is in VB, but I can translate it)?
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LVL 17

Expert Comment

by:NicksonKoh
ID: 22717410

Show me your C# code and I'll tell you how to put it in.
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Author Comment

by:jvalescu
ID: 22717461
Here is the code behind.
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Xml.Linq;
 
namespace IB
{
    public partial class SearchOrders : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            DetailsView1.Visible = false;
        }
 
        protected void GridView1_SelectedIndexChanged(object sender, EventArgs e)
        {
            DetailsView1.Visible = true;
            DetailsView1.PageIndex = GridView1.SelectedIndex;
        }
 
        protected void FormView1_PageIndexChanging(object sender, FormViewPageEventArgs e)
        {
 
        }
 
        protected void DetailsView1_PageIndexChanging(object sender, DetailsViewPageEventArgs e)
        {
 
        }
 
        protected void GridView1_RowUpdated(object sender, GridViewUpdatedEventArgs e)
        {
          //  GridView1.DataBind();
        }
 
        protected void DetailsView1_ItemUpdated(object sender, DetailsViewUpdatedEventArgs e)
        {
            GridView1.DataBind();
            DetailsView1.Visible = false;
 
           
        }
    }
}

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Author Comment

by:jvalescu
ID: 22717517
Not sure if you needed this to.
<asp:DetailsView ID="DetailsView1" runat="server" AutoGenerateRows="False"  
        CellPadding="4" DataSourceID="DetailsDataSource2" ForeColor="#333333" 
        GridLines="None" Height="50px" 
        style="z-index: 1; left: 1112px; top: 194px; position: absolute; height: 67px; width: 125px" 
        Width="125px" Caption="Edit Order" DataKeyNames="Control" 
        DefaultMode="Edit" Font-Size="Small" 
        onpageindexchanging="DetailsView1_PageIndexChanging" 
        onitemupdated="DetailsView1_ItemUpdated">
        <FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
        <CommandRowStyle BackColor="#E2DED6" Font-Bold="True" />
        <RowStyle BackColor="#F7F6F3" ForeColor="#333333" />
        <FieldHeaderStyle BackColor="#E9ECF1" Font-Bold="True" />
        <PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" />
        <Fields>
            <asp:CommandField ShowEditButton="True" />
            <asp:HyperLinkField NavigateUrl="~/Allocation.aspx" Text="Allocate" />
            <asp:BoundField DataField="LineNumber" HeaderText="LineNumber" 
                SortExpression="LineNumber" ReadOnly="True" />
            <asp:BoundField DataField="RodSize" HeaderText="RodSize" 
                SortExpression="RodSize" />
            <asp:BoundField DataField="FinishedSize" HeaderText="FinishedSize" 
                SortExpression="FinishedSize" />
            <asp:BoundField DataField="Grade" HeaderText="Grade" 
                SortExpression="Grade" />
            <asp:BoundField DataField="Description" HeaderText="Description" 
                SortExpression="Description" />
            <asp:BoundField DataField="OrderQuantity" HeaderText="OrderQuantity" 
                SortExpression="OrderQuantity" />
            <asp:BoundField DataField="NoOfCoils" HeaderText="NoOfCoils" 
                SortExpression="NoOfCoils" />
            <asp:BoundField DataField="DueDate" HeaderText="DueDate" 
                SortExpression="DueDate" DataFormatString="{0:MMM-dd-yyyy}" 
                HtmlEncode="False" />
            <asp:BoundField DataField="PartNumber" HeaderText="PartNumber" 
                SortExpression="PartNumber" />
            <asp:BoundField DataField="PricePerCWT" HeaderText="PricePerCWT" 
                SortExpression="PricePerCWT" />
            <asp:BoundField DataField="Notes" HeaderText="Notes" 
                SortExpression="Notes" />
            <asp:BoundField DataField="Status" HeaderText="Status" 
                SortExpression="Status" />
            <asp:BoundField DataField="SecondaryRodSize" HeaderText="SecondaryRodSize" 
                SortExpression="SecondaryRodSize" />
            <asp:BoundField DataField="PrimaryDiameter" HeaderText="PrimaryDiameter" 
                SortExpression="PrimaryDiameter" />
            <asp:BoundField DataField="SecondaryDiameter" HeaderText="SecondaryDiameter" 
                SortExpression="SecondaryDiameter" />
            <asp:BoundField DataField="ShipDate" HeaderText="ShipDate" 
                SortExpression="ShipDate" DataFormatString="{0:MMM-dd-yyyy}" 
                HtmlEncode="False" />
            <asp:BoundField DataField="Process" HeaderText="Process" 
                SortExpression="Process" />
            <asp:BoundField DataField="PromisedDate" HeaderText="PromisedDate" 
                SortExpression="PromisedDate" DataFormatString="{0:MMM-dd-yyyy}" 
                HtmlEncode="False" />
            <asp:BoundField DataField="Control" HeaderText="Control" 
                SortExpression="Control" Visible="False" />
        </Fields>
        <HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
        <EditRowStyle BackColor="#999999" />
        <AlternatingRowStyle BackColor="White" ForeColor="#284775" />
    </asp:DetailsView>

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LVL 17

Expert Comment

by:NicksonKoh
ID: 22717616
Shruks, I just tried for a while and I am lost too as to how to edit the contents of a DetailView control! You need another expert.

For me, I personally just like to use only those simple HTML control and asked my development team to do likewise. They are much simpler to understand and control than those Datagrid, DetailView, etc!
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Author Comment

by:jvalescu
ID: 22717834
I was messing with the _ItemCommand event and it fires if I hit the UPDATE or CANCEL buttons, but not on the Hyperlink fieldtype.  I saw the definition of the event as "Fires when any clickable element on the control is clicked. "   Anyone have any ideas?

protected void DetailsView1_ItemCommand(object sender, DetailsViewCommandEventArgs e)
        {
            int i = 0;
 
 
 
        }

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