Forms Data Controls :: DetailsView Dynamically Suppressing Fields / Error 156
Mar 24, 2010
I have a working gridView/DetailsView used as a member Lookup.
Some Fields in the Details View have data only some of the time, and when there isn't any, I want to suppress that row of the detail. No Go.
It seems that some of the function available in other controls don't exist so I cannot make the "field and its "header" Visible = "False"
FWIW, The control is nested inside a loginview control.
[Code]....
When I try and put logiin the control the error I get is:
Error 156 Literal content ('<asp:TemplateField ItemStyle-Wrap="false" HeaderText="PO Box:" Visible="') is not allowed within a 'System.Web.UI.WebControls.DataControlFieldCollection'. C:UsersBillDocumentsMy Web SitesNausetNewcomersMembershipCopy of Lookup.aspx 345
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Aug 20, 2010
I have created DetailsView in designer page with SqlDataSource, Details view is with autoGenerateRows="false" i.e. I have declared my own fields. it is fine there, but what if I want to add these fields dynamically from codebehind with select & edit commands. I want to to use Details View in designer page and want to add fields from codebehind
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Jan 18, 2010
I have City,State and zipcode fields in Database. I want all 3 columns to display in one row in details View.
How to Concatenate these 3 fields in DetailsView.
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Aug 26, 2010
I have a details view on my page that has a template field in it. In the template field is a button that when clicked, sets the visible property of another field to true. When this happens the whole detailsview resets and anything that was entered into other fiields is cleared. Is there any way to prevent the other fields from being cleared when the hidden field is set to be shown.
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Jan 19, 2011
In this case I'm having, the ItemTemplate for various fields in my DetailsView (2 in my case) does not show up, but when you click the edit button, the EditItemTemplate shows up. I played with it, moving it around. No matter where I put it, one of the fields did not show up.
To get even stranger (and don't ask me how I came up with this), if I put a dummy boundfield BEFORE it, the ItemTemplate shows up. But this is totally absurd.
Here's the html:
[code]....
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Jan 11, 2011
I'm a beginner in Asp.Net and i have some problems to resolve. (It's hard to find good threads in french community)
I've a DetailsView linked to a GridView, in fact the DetailsView get the selected item of the GridView to return the associated datas.
I would like on the load of my DetailsView to get the values of the labels contained in my DetailsView to set my class's attributes.
But my .cs can't recognize the IDs of my DetailsView's Labels...
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Nov 18, 2010
I'm trying to use the DetailsView to make Updates. The problem is that it can't handle empty fields even though the underlying table field allows nulls.
I get a message like this if I change the "State" field to blank when doing an update
The parameterized query '(@Cust_ID int,@Cust_DL nvarchar(7),@DL_State nvarchar(2),@Last_N' expects the parameter '@State', which was not supplied.I'm using an object data source control which is calling the EditCustomer method in my Customer Class. I'm not sure how to fix this.
[Code]....
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Mar 24, 2010
Im not sure what i could have done wrong here but i created a dataset (ran a query and it returns the correct data) - created my BLL class - bound the ObjectDataSource to the control using the BLL - ran the site and all the data is showing as expected. Now i click edit columns (from DetailsView smart tag) and the selected fields are empty. I refresh the schema and this makes no difference. What could i be doing wrong?
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May 11, 2010
I have set a couple of my DetailsView fields to readonly=true. In Update mode the fields are readonly but in Insert mode they are not readonly. What do I do to set it to readonly or blank (no field for entry)?
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Dec 1, 2010
When you click the edit button in detailsview I want it to store some values in "PreviousAddress" and "PreviousVehicle" to show what the data used to be before it was edited... Just wondering what would be the best way of doing this?
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Sep 15, 2010
I'm not sure if you would consider it a foreign key field or not, but I have an agency table with an association to my Project table. It exists primarily to limit the input values of agency in the Project table to those listed in the Agency table. Anyway, everything works fine, except that when you insert/add a project, the Agency field is moved to the end of the list. I'd like to move it back where it belongs (further up the list).
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Apr 15, 2010
I have a problem that in DetailsView Edit Mode, if I go to edit fields, and set a fields visible property to false, when I update the record through the built in update options it sends a null value. If I change the field back to visible, it passes the data just fine.
Consequently, I tried just setting the field to Read Only = True, and got the same result even though the current values do show up in the edit mode, just read only.Is there anyway to hide the field but still allow it to pass the data it currently has "BACK" into the record.
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Oct 13, 2010
I have a detailsview in insert mode. I want to prompt the user to enter data in all fields, if left empty. Could someone please find a few minutes to show me how to do it?
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Jan 20, 2011
I dont understand how to bind grid view fields dynamically..
whenever user send question then i directly bind that
but whenever same user share their images then i want to bind that images into same grid...
so what can i do for that...??
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Oct 20, 2010
Is it possible to add RequiredFieldValidator in DetailsView dynamically (programatically)?
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Jul 17, 2010
I have a gridview that is populating from a SQL DB and working fine. However, based upon certain data I find in fields in the SQL table, I want to place a 'n' or a 'y' in extra columns in the gridview that I am assuming need to be templatefields. My thought was I could maybe add 8 template columns and then I could put a 'y' in the appropriate column based upon the data I find the table. For the life of me, I cannot figure out how to do this. I want to do this at rowdatabound time ( i think) but I just cannot find out how to, in my code, put that 'y' in the columns. Is this the right way to do this or do I need to do it another way? How do I get that 'y' in the proper column?
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Feb 15, 2011
Just want to know if it is possible to Dynamically Populating a DetailsView with OleDb Data Adapter ? It has to be done on the Page_load because it has to display a users details that i must be able to edit!
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Dec 1, 2010
In my Admin page, I have a drop down list containing all current user tables in the database. The user chooses one.
My DetailsView below uses that parameter to populate itself with data from that table. The stored procedure used to select the data passes a string to sp_executesql. The string is concatenated from a select statement and the tablename parameter. Can I do something similar for Update/Delete statements? I'm not sure of the best approach, given that I won't know which/how many fields will be in the DetailsView at runtime, and which of these are keys - the choice of table depends on the user. I think Insert will be straightforward - am I right? I would like to streamline things as far as possible. Is it possible to dynamically pass in the values in, say, a string, and get my stored procedure to understand them? And what's the best method of grabbing the values from the DetailsView in this situation?
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Jul 4, 2010
I have a gridview and detailsview on the same page. The detailsview is defaultmode="insert" and works perfectly (Role, Site and Department are all bound to ddls). The gridview displays information fine and deletes fine - but when i click edit it breaks. But i dont understand why as it is using the methods and data sources as the gridview. I did a test run on this a few weeks back and it worked in visual web developer, lost all the data when i formatted the hdd and now - i cant get it to work, but i am sure its exactly the same. error is
DataBinding: 'System.Data.DataRowView' does not contain a property with the nameXXXX.
It does that on each of the ddls for site, role and department. But the property is there! i can see it when i test my SPROCS and they display / work fine in the detailsview.
[Code]....
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Apr 9, 2010
[Code]....
Error message with DetailsView
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Oct 25, 2010
Split off from [URL]
New error message:
Front page code:
[Code]....
Error List, front page (default.aspx) reads as follows:
Warning 1 The class or CssClass value is not defined. 11 59 Warning 2 The class or CssClass value is not defined. 43 32 Error 3 Name 'MetaModel' is not declared. 9 57
Compilation Error
Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately. Compiler Error Message: BC30456: 'DetailsView1_ItemCommand' is not a member of 'ASP.default_aspx'.Source Error:
[Code]....
Source File: d:hostingcforedDefault.aspx
Line: 20
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Oct 28, 2010
I have a GridView that when you click a button it opens up a Panel inside a ModelPopupExtender - this uses a detailsView to show the details of the selected item from the GridView. I have added a button that I was using to update these details.
Problem is I get the error:
[Code]....
I added the update parameters to the SQL Data Source of the DetailsView, but this hasn't done the trick...
I suspect I am doing or missing something here, but I am not 100% sure
Would someone be kind enough to point me in the right directions or suggest weblinks that details this kind of requirement,
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Feb 22, 2010
ASP.NET - C# (C Sharp) - SQL Server
I've got a master table and a child table. The master table has a nullable column called ReferenceID and in some cases it should be NULL, but when it's null in a record, I get an error while going to Edit mode of DetailsView.
DB Tables:
MasterTable [Columns: MasterTableID (PK), Name, ReferenceID (FK)(Nullable)]
ReferenceTable [Columns: ReferenceID (PK), Reference]
<asp:DetailsView ID="DetailsView1" runat="server" AutoGenerateRows="False">
<Fields>
<asp:BoundField DataField="MasterTableID" HeaderText="MasterTableID"/>
<asp:BoundField DataField="Name" HeaderText="Name"/>
<asp:TemplateField HeaderText="Reference" SortExpression="Reference">
<EditItemTemplate>
<asp:DropDownList ID="DropDownList_Reference" runat="server"
DataSourceID="ObjectDataSource_ReferenceTable" DataTextField="Reference"
DataValueField="ReferenceID" SelectedValue='<%# Bind("ReferenceID") %>'>
</asp:DropDownList>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="LabelReference" runat="server"
Text='<%# Bind("Reference") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:CommandField ShowDeleteButton="True" ShowEditButton="True" />
</Fields>
</asp:DetailsView>
Select Queries:
Select MasterTable.*, ReferenceTable.Reference
From MasterTable INNER JOIN
ReferenceTable ON MasterTable.ReferenceID = ReferenceTable.ReferenceID
Select * from ReferenceTable
In Read Only mode all everything is OK, but when I click on Edit and Postback happens, I get the following error: Server Error in '/Sample' Application. 'DropDownList_Reference ' has a SelectedValue which is invalid because it does not exist in the list of items.Parameter name: value It means that in MasterTable, the ReferenceID shouldn't be NULL, but it should be in some cases.
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Sep 22, 2010
I have a table that has previous data in it.
I have written a new site around this data
On occation a user will attempt to edit a record in a detailsview and they get this error:
System.ArgumentOutOfRangeException ddlState has a SelectedValue which is invalid because it does not exist in the list of items. Parameter name: value
This happens to be a list of states.
Is there way to allow the edit so the user can select a valid state from the list?
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Jan 25, 2011
Im having issues with a webform that previously worked before I added a dropdownlist.selectedindexchanged event related to the data that the details view displayed. I ran it in debugging mode and the variable has a valid value. Heres the line Im getting
the error on:
[Code]....
[Code]....
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