.net DetailsView To Use More Than One Datasource?
Jan 5, 2012
I have a DetailsView that looks just about perfect. The only thing is, there is one field that actually gets its information from another table. It is an ID field that is linked to another table in the database and I was hoping that there was some way to get that one field in the DetailsView to pull the information from the other table.
Is there a way to maybe add a + (plus sign) next to the PicklistID and then have it show the results of the other query? (SELECT TEXT FROM PICKLIST WHERE PicklistID = @PicklistID???)
UPDATE 1/11/12: The PICKLISTID in the table PICKLIST is not unique or a primary key so I cannot reference it from the SURVEY table. Is there a way to give these 2 columns a relationship so that I can just change my SELECT statement in my DetailsView to include the PICKLISTID?
UPDATE 1/23/12: I'm still stuck on this. I am not getting how to make this work at all.
[Code]...
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Jan 30, 2011
I use vb.net and windows form and sqlserver
I added Data Source(Microsoft SQL Server (SqlClient)) to my project. and now I need to change it to ODBC Data Source .
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Jul 21, 2010
I 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
[Code]...
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Apr 25, 2012
I have two dropdown within a DetailsView and I want to work in cascade, the idea is that an area contains various issues and these issues depend on the selected area, but I get the following error: Databinding methods such as Eval(), XPath(), and Bind() can only be used in the context of a databound control.
[Code]....
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Nov 14, 2011
Just want to ask, can we use multiple objectdatasource in detailsview?
Example, i have 2 different tables with same fields.
Insert, Update much work properly.
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Mar 23, 2012
I have a DetailsView1 control that is databound in many fields but also has fields that I prepopulate upon loading the page for the first time. Example being fields named ROW, FLAG, PRINTED. The user can then input data into the other fields Like FIRST NAME, LAST NAME, COMMENTS and press INSERT. I should also mention that these fields are templatefields.
<asp:TemplateFieldHeaderText="Row"SortExpression="Row"><InsertItemTemplate>
<asp:TextBoxID="TextBox1"runat="server"Text='<%#Bind("Row")
%>'></asp:TextBox>
[code]....
Then the insert of the data begins and creates a SQL record. This works as designed the first time thru.The problem begins when I try to populate the same fields for the next record using the same logic that I used the first time but the fields will not come to the screen populated the second time. What do I need to do in order to get the fields in the DataView1 to be populated after the first INSERT command has cycled thru its process?
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Jun 21, 2011
In this project that I'm creating, I'm creating a mock-up of a page that uses a DetailView (something I saw in a blog) that seems to fit my needs. However, I don't want the data to be bound to anything.So, I added the control and then I started adding the appropriate mock-up columns to it and tried to render the control on the test page. Where the HTML that ASP.NET should generate is nothing.Here's my code (there's a 'real' DetailsView control, then a button and then a blank testing Details view control):
[Code]...
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Oct 7, 2011
I'm attempting to reference the text from a label in a DetailsView in my CodeBehind, then pass it through a Stored Procedure.My DetailsView is DetailsView1, and the two fields are lblDialID & lblCallbackID. I've converted them to TemplateFields. The data is populating properly, but when I'm attempting to grab the data and pass it, I'm not getting any results.The Stored Procedure is not performing it's action, and a Response.Write on the variables does not produce any results so assumedly I'm just grabbing thin air :)
[code]...
Could this also be because I am passing a string, but the SP is taking it as an INT? This shouldn't pose a problem though?
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Jan 25, 2011
When using a scanner to insert into a detailsview the scanner scans and then presses enter. How do I either redirect the enter to be a tab, or just stop the enter key from triggering the insert method?
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Mar 31, 2011
I have developped a usercontrol, but I can't seem to find how to databind on a property of the usercontrol in a detailsview.[code]
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Mar 15, 2011
I have a DetailsView Control but need help with binding, updating and inserting hookup. My code below does not bind and open my DetailsView as I expect it to (either in Edit or insert mode when my page loads.[code]
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Feb 23, 2012
Im trying to do bind a dropdown list to a details view but keep getting an error about the dropdown list ID field:
<asp:TemplateField HeaderText="Approval">
<ItemTemplate>
<asp:DropDownList ID="Approved" runat="server" DataValueField="Approved" SelectedValue='<%#Bind("Approved") %>'>
<asp:ListItem Text="Approved" Value="Approved" />
[code]....
The error message as follows:
'Approved' has a SelectedValue which is invalid because it does not exist in the list of items.Parameter name: value
What is the proper way to attach the value of the dropdownlist to my object so that it can be properly created in the database? Most of my searches keep telling me how to bind a dropdownlist to an object data source, but that is not what I need to do. This is a basic drop down list of 2 items that will never change.
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Aug 10, 2010
When in insert mode detailsview, there are some parameters that I would like to disable or hide. The columns are autogenerated.
Doesn't work:
DetailsView3.Rows(5).Visible = False
or
[code].....
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Oct 29, 2009
I'm trying to design a detailsView form which contains [classes] --< [studentClasses] >-- [students] tables. There is a many to many relationship between [classes] and [students] through the third table [studentClasses]. I want to design the detailsView of [classes] such as that all [students] will be listed in a listbox but related students that take the class will be highlighted. And when I select/deselect students from the listbox and save I want the changes to be saved to respective tables.
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Oct 18, 2011
Background: I have a GridView which gets populated from an SqlDataSource via DataSourceID. The rows show some summary data from an SQL View. Upon clicking a row, I would like to take my user to another page with a DetailsView control which gets populated with the full set of values from the DB related to the row clicked. My user should be able to edit the data, download files associated with the record, and create a new record of a different type based on said data.
Error: All examples that I've found for Clickable GridView rows end up with some variation of the error Invalid postback or callback argument. Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page.
[Code]...
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Dec 12, 2011
I've got a DetailsView which has some static fields defined in my markup and adds some extra fields dynamically in the VB codebehind. It should be noted that the DetailsView lives in an UpdatePanel.Assume that I would like to get inventory information for a number of warehouses, but I only want to see those which have stock on hand. In addition I have some static information such as product, sku, etc.
The problem I was having was that every time I clicked the "Details" button it would just keep appending the dynamic fields to the end and never re-rendering the table. I figure I either need a conditional or to tell it to re-render somehow. I suspect this problem arises from my use of the UpdatePanel but it's important for the user experience of my customer to keep this.
'Warehouse Stock by Location
Dim stockDT As New DataTable
For Each row As DataRow In stockDT.Rows 'Add column for each Warehouse that has stock
[code]....
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Jan 17, 2011
I'm trying to populate a date from a bound text field in a DetailsView. I keep getting a error when a DBNull is in the column. How do I avoid the DBNull when populating the text field.
My code is as follows:
<asp:TemplateField HeaderText="CBYD Clear Date">
<EditItemTemplate>
<asp:TextBox ID="CBYDExpDate" runat="server" ReadOnly="true" Text='<%# IIf(Eval("CBYDDate") is DBNull.Value,"", String.Format("{0:MM/dd/yyyy}", Eval("CBYDDate").AddDays(30)))%>' />
</EditItemTemplate> </asp:TemplateField>
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Oct 13, 2011
I'm simply databinding the data (containing date values) I got with a DataReader as in the following code:
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim id As Integer = Request.QueryString("id")
'Start connection
[code]....
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Feb 2, 2012
I need to be able to hide 2 options that are displayed from my dynamic bulletedlist (which is built inside of a DetailsView). Every time I try writing a loop through the BulletedList, I get an error saying that it is not a collection type, so I thought I could loop through the DetailsView to find the items I want to hide.
I can't change the SQL because this particular bulleted list gets used on 2 different pages, it's just that on one, I only need to show 2 of the 4 items that are associated with the ID.[code]...
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Mar 16, 2011
I have a DetailsView which has two fields - one that is visible, one that is not. The first the user fills out, the second I want to auto-populate. Unfortunately, I haven't been able to find a way to set the value in this second invisible field. I've tried adding code like this to the Page_Load:
If Not IsPostBack Then
DetailsView1.DefaultMode = DetailsViewMode.Insert
Dim txt1 As TextBox = DirectCast(DetailsView1.FindControl("Type"), TextBox)
txt1.Text = "administrator"
End If
But this returns an error of "Object reference not set to an instance of an object." Any ideas on how to accomplish this - either using the method above or another method?The hoped for end result is that when a new record is inserted via the DetailsView that this record will include the username (entered by the user) as well as the "type" of "administrator"
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Dec 16, 2011
For example lets say I want only admins to be able to see and edit CustomerID in details view, moderators can see this value but it is not editable, and regular users cannot even see it.
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Jan 9, 2011
How to retrieve the particular row of detailsview into textbox on page load event if details view defaultmode is readonly..i want to retrieve the email id from detailsview email row in textbox1 on page load event ?
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May 19, 2010
Create a membership database that has fields for title, first name, surname, address, subs renewal date and membership type (active, social, honorary or life). Make an interface that allows a user to display, sort and create records. Consider the use of drop down boxes to aid error free input.
When i add a new datasource i get to "Select database objects" page and then i get an error message. "Could not load "Microsoft.etc"", im using an access database with pre-created fields.
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Jun 4, 2011
I cannot add data source in my window applciation;...There is no menu for me to add a new datasource.
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May 17, 2011
have 3 dropdown list one has pre set values and my post back works the other 2 has the data from the db when i try using post back on them i don't get anything in my grid view.
<asp:DropDownList ID="ddlname" runat="server" DataSourceID="SqlDataSource1" DataTextField="Venue_Name" DataValueField="Venue_Name" AppendDataBoundItems="True" AutoPostBack="True"> <asp:ListItem Text="All" Value="All" Selected="True"></asp:ListItem> </asp:DropDownList>
<asp:SqlDataSource ID="SqlDataSource1" runat="server"
[Code]...
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Jun 1, 2011
how do you add information from another datasource into a cell in a data grid which has the relevant information i.e order_bindingsource grid which has the information order id, item id, quantity and cost per item.
The item id I have linked to the Productbindingsource but I also need the information to be shown cost per item which is in data source products.The item id is a drop down box with the items displayed what I need is when an item is selected I need the price to show up in the cost per item box.
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Nov 19, 2011
I am trying to create an arrayList of people. The variables, or arrays are; first name, last name, age, DOB. I am wanting to load all that into one arrayList and dataBind it so it would look like [code] Loading it into an ASP DataList. SO Fname + Lname + age + DOB are loaded on the same line/index. Not sure how to go about this. I'm sure it's an index issue..but not sure the thought process to even begin to load these elements into the "0" element, then the "1" and so on. Not puling the information from a database, just preset arrays/arrayList. ANY suggestions? ( I have it so it is dataBound to one arrayList entry as in [code] This works fine. But if I wanted to add the last name to the first name on the same line...that's were I am not seeing the connection.
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Apr 30, 2012
How to declare a datasource?
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Jul 30, 2009
In one of my projects, I have this line of code that works:
Dim newCustomersRow As EyeBaseDataSet.HistoryRow
newCustomersRow = EyeBaseDataSet.History.NewHistoryRow()
In this new project I'm trying to get the same thing going, but I can't use the Row definition. I type the data set name and don't get an option for the tableRow. I don't know how else to word this, but I need to know what I have to add to the project to give me that control. In the working project it says "Class HistoryRow" and I went to the definition and it took me to the designer and showed me a Partial Public Class with System.Data.DataRow.
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Apr 11, 2011
How can I set the datasource of an ItemTemplate? Right now I have one that is wrapped by a datarepeater and that is how I databind to it.
<asp:Repeater ID="rptTotal" runat="server">
<ItemTemplate>
<tr>
[Code]....
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