C# Less Obscure Way To Populate A DetailsView?
Oct 31, 2010I can't seem to bind a single GridView's row to a DetailsView properly. Currently I have this:
using System;
using System.Collections;
using System.Collections.Generic;
[code]...
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<asp:TemplateField HeaderText="CBYD Clear Date">
<EditItemTemplate>
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Here is an example of what I have so far:
third drop down aspx snippet:
[Code]....
.vb code for dropdown event:
[Code]....
and aspx snippet for details view:
[Code]....
how the dropdown is populated:
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Here's my code:
This is the sqldatasource control for the dropdownlist control:
[Code]....
This is the sqldatasource control for the detailsview control:
[Code]....
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Detailsview control:
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[Code]....
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.aspx
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This is the button click event
[code]....
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I know I am missing something, can someone fill me in?
Why is the detailsview still visible?
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<asp:ListItem>D</asp:ListItem>
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Jan 7, 2011Suppose I have a DetailsView, which is bound to a SQLDataSource. The underlying table has two columns, an ID and a value. When in display mode, I want to display only the value. When I switch the DetailsView to edit mode, I want the user to edit the value, and not see or edit the ID. Making the ID column not visible solves this, EXCEPT that then the ID value is not stored in the DetailsView so two-way binding does not work, and I can't update the corresponding DB record. How do I do two-way data binding with a DetailsView, but hide the ID column from the user?
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Jan 22, 2011I wanna use the DetailsView control without binding it with a datasource (just in insert mode) but the problem is when I try to get the values of the fields throught ItemInserting event handler I found the e.Values property empty however there are some fields.
Note: I wanna use it (The DetailsView control) [instead of allign the fields manually] because there're already a theme for it in whole the system and I don't want to do that again from scratch for custom template.
AutoGenerateEditButton Is Ignored In C# Code For DetailsView?
Aug 5, 2010The actual markup code is
[code]...
I'm not too sure whether setting the ShowEditButton property should be removed, but when I tried to do that I still couldn't set it programmatically.
Now in the code behind file I reduced the Page_Load method to this
protected void Page_Load( object sender, EventArgs e )
{
dvwSomeDetailsView.AutoGenerateEditButton = true;
}
What I want to achieve is that by changing the assignment in the Page_Load method I can hide / show the Edit button, but that does not work. When playing around in the markup file I can make the button show up or hide, but I can never change it from the code behind file.
I also tried to explicitly call dvwSomeDetailsView.DataBind after setting the property, but this also didn't work. Overriding OnPreRender and placing the code from the Page_Load method in their didn't do anything to improve this either.
Maybe I'm thinking too complicated - shouldn't there be an easy way to set programmatically whether the button should / shouldn't show?
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Nov 9, 2010I have a DetailsView Control, inside as a template a TextBox. I need to findout the value for a TextBox when Inserting data Event handler-, _ItemInserting. The script does not work.
<asp:TemplateField HeaderText="Profile" SortExpression="ContentAuthor">
<ItemTemplate>
<asp:Label ID="uxContentAuthorDisplayer" runat="server" Text='<%# Bind("ContentAuthor") %>'></asp:Label>
</ItemTemplate>
<InsertItemTemplate>
<asp:TextBox ID="uxContentAuthorInput" runat="server" Text='<%# Bind("ContentAuthor") %>'></asp:TextBox>
</InsertItemTemplate>
</asp:TemplateField>
CODE BEHIND
protected void uxInsertAuthor_ItemInserting(object sender, DetailsViewInsertEventArgs e)
{
//// Find control on page
TextBox myAuthorProfile = (TextBox)uxInsertAuthorInput.FindControl("uxContentAuthorDisplayer");
// Set a default value in Data Base if field has been left empty (DB field NOT NULL)
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{
string myAllert = "Field is NULL";
}
else
{
string myAllet = "Field is NOT NULL";
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}
FindControl In DetailsView Not Working?
Mar 31, 2011I have a Gridview and when the edit button is clicked the details of that row is displayed using a detailsview. While displaying, I need to find a control in detailsView, and then bind it with a Datasource. First of All I'm not sure about the event to be used but have used DetailsView1_DataBound. However, if I have to find the control using:
var control=(ControlType)DetailsView1.Findcontrol("ID");
Always returns null. May be I am not using the right event, and it couldn't find the control at that point.
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May 10, 2010I am creating a GridView/DetailsView page. I have a grid that displays a bunch of rows, when a row is selected it uses a DetailsView to allow for Insert/Update.
My question is what is the best way to link these? I do not want to reach out to the web service again, all the data i need is in the selected grid view row. I basically have 2 separate data sources that share the same "DataObjectTypeName", the first data source retrieves the data, and the other to do the CRUD.
What is the best way to transfer the Selected Grid View row to the Details View? Am I going to have to manualy handle the Insert/Update events and call the data source myself?
Is there no way to link these two so they use the same data source ?
<asp:GridView ID="gvDetails" runat="server" DataKeyNames="ID, Code"
DataSourceID="odsSearchData" >
<Columns>
<asp:BoundField DataField="RowA" HeaderText="A" SortExpression="RowA" />
<asp:BoundField DataField="RowB" HeaderText="B" SortExpression="RowB" />
<asp:BoundField DataField="RowC" HeaderText="C" SortExpression="RowC" />
....Code...
<asp:DetailsView ID="dvDetails" runat="server" DataKeyNames="ID, Code"
DataSourceID="odsCRUD" GridLines="None" DefaultMode="Edit" AutoGenerateRows="false"
Visible="false" Width="100%">
<Fields>
<asp:BoundField DataField="RowA" HeaderText="A" SortExpression="RowA" />
<asp:BoundField DataField="RowB" HeaderText="B" SortExpression="RowB" />
<asp:BoundField DataField="RowC" HeaderText="C" SortExpression="RowC" />
...
Web Forms :: DetailsView With DropDownList
Mar 18, 2010DetailsView with DropDownList
Code]....
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Nov 25, 2010I am using a DetailsView in ASP.net. And I would like that you can edit one field at a time. Is this possible?
Here is my DetailsView
<asp:DetailsView ID="dvProfiel" runat="server"
DataSourceID="odsUserByUserName" AutoGenerateRows="False">
<Fields>
<asp:TemplateField HeaderText="ID">
[Code]....
When I click to edit the First Name, the field Last Name als goes into Edit mode. I just want the field where I clicked the edit button that goes in Edit mode.
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Jul 21, 2010I have the following code in my codebehind Page_Load function that sets the default selected value of a dropdownlist in detailsview based on the name of a record returned from a sql data query.
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Me.Page.Title = "Editing record"
'Perform dropdown list population operations
Dim myDDL As DropDownList = DetailsView1.FindControl("reqCategoryDropDown")
If Page.IsPostBack = False Then
[Code]....
After which I set attempt to set the selected value of the dropdownlist as above. The page is still not setting the selected value.
Web Forms :: DetailsView Refreshing ?
Apr 12, 2010I have a webform with a gridview displaying records which are selectable thru a "Select" button on the GridView control. Below the GridView, I have a DetailsView control showing details of the selected GridView record. Also, I have a "New" button which allows
me to add to the GridView and associated table thru SQL. In the DetailsView, I have a delete button which allows me to delete from the GridView and associated table thru SQL.
The issue I am having is that when I click the "New" button (to add a record), it performs correctly and displays the input-ready DetailsView with 2 fields for input. However, if I cancel that, and click "New" again, the DetailsView does not display at all.I am certain that I am binding the data correctly as I have several tests which implement the same logic with the only difference being that the tests require only one field while I now require 2 fields.
C# - Get A Value Out Of A DetailsView DataItem Property
Feb 25, 2011I am accessing a DetailsView from the following event
public void dvDetails_DataBound(Object sender, EventArgs e)
I am casting the sender to my detailsview like so
DetailsView dv = (DetailsView)sender;
Now when I look in "dv" I can see the DataItem property has the data I want in it under a field name, but I dont know how to write the code access the value??
The field name is shown in the dataitem property as "_DTMON_F", I tried to say
Datetime myDate=dv.DataItem["_DTMON_F"]
BUT C# doesnt like the syntax