Forms Data Controls :: Make Another Dropdownlist Visible = False When Clicking In Dropdownlist On The Same Detailsview?

Mar 8, 2010

I want to making another dropdownlist visible=false when clicking in dropdownlist on the same detailsview?

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Forms Data Controls :: Make Panel Control Visible Based On Selected Value In A DropDownList Box?

May 17, 2010

I have a Data Bound DropDownList and a Panel in a step of the CreateUserWizard. I would like to make the panel visible based on the selected value of the DropDownList.

Here is my code that is not working. Any help identifying what I missed is appreciated. (Yes Post Back is enabled on the DropDownList.

[Code]....

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Web Forms :: Dropdownlist Not Binding On Visible False?

Oct 10, 2010

i have a textbox1 and drop down list 1

i am filling drop downlist from Sql datasource and textbox1.text=Dropdownlist1.SelectedItem.Value.ToString()

all working fine but if i set dropdownlist1.visible = false than textbox1.text = empty string I need to hide the dropdownlist1 and in the same time i need the selecteditem of dropdownlist to be in the Textbox1.text

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Forms Data Controls :: Changing Fields Visible Property To False In DetailsView?

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.

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Forms Data Controls :: Make TD Visible False Inside Repeater

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I'm trying to make my TD visible or not inside a repeater. I keep getting an error "Object reference not set to an instance of an object". here is my code:

[Code]....

and my code behind:

[Code]....

I know it has something to do with how my findcontrol code is written, but I can't figure it out.

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Forms Data Controls :: DetailsView Visible="False"?

Mar 31, 2011

I am basically trying to check the contents of a field in a data base (Course) to determine if a button (btnMisfills) shoulf be displayed for a specific user. I am sure ther are probably better way of doing this, and any suggestions would be appreciated. However I am using the few tools I know how. Everything works as expected as long as the DetailsView is visible, but I have no need to display the detailsView. When I change the detailsView to visible = false, my logic does not work. Apparently visible = false means the detailsview is not created. If this is true, how else can I check for the contents of the course field?s there a way to check a field in the sqldatasource?

[Code]....

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i have gridview in my page 

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Way To Make A Label Visible For A Seccond And Then Make It Visible =false?

Apr 16, 2010

there is a way to make a label visible for a seccond and then make it visible =false ; ?without javascript... just c# ,,,

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Data Controls :: Make DropDownList Load Data Depending On Another DropDownList Data Using Ajax

May 7, 2015

I my website i have 2 dopdownlost i want when i change the value of one.. The other one loads data depending on the first one value

 the both of the dropdownlists is in ajax update panal and i do have script manager

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 protected void floor_ddl0_SelectedIndexChanged(object sender, EventArgs e)
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floor_ddl1.DataBind();
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Forms Data Controls :: Use DropDownList In DetailsView?

Nov 17, 2010

How do i use drop down list in the details view? While inserting user should be able to select the "Car Name" from the drop downlist and the "Car Id" should be get inerted into database. Also while editing the appropriate Car Name should be selected in the drop down list.

How the HTML code and the Binding should look for this details view ?

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C# - DropDownList Validation - ModelState.IsValid Is Always False / DropDownList Won't Be Validated

Feb 10, 2011

I try to create a asp.net mvc 2 application.

My DropDownList won't be validated!

I have a core model class called Animal with some attributes and the same for the class Genus. These classes are mapped to nHibernate.

[code]....

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Oct 25, 2012

I display images from database, suppose image is not upload means display the none image in datalist...

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Web Forms :: How To Make Listbox Visible False On Going To Next Row

Dec 16, 2010

i used this tutioral [URL] and i change as per my requirment and i got this gridview its working fine

Before:-

I have one problem:-

On going to next row i need to make listbox visible false only this current row listbox only to be shown same on going next row above row listbox will not show and this current row listbox only shown

After: how to do this....

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Forms Data Controls :: DropDownList In DetailsView Without SQLDataSource?

Nov 2, 2010

I am trying to use a DropDownList in a DetailsView for the ItemTemplate, InsertItemTemplate, and EditItemTemplate. I must bind this DropDownList to a SQL-Server support table using a function that returns a DataTable. I am not allowed to use a SQLDataSource in my backwards IT department. So, not only do I need to load the DropDownList, I also need to make the SelectedValue equal to the current record that I am viewing, editing.

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Forms Data Controls :: DetailsView Filling DropDownList?

Mar 13, 2010

I've got a DropDownList in my <EditTemplate> and i'd like to fill it by data from database

(I can't use SqlDatasSource).

How to do that?

i was trying something like that

((DropDownList)((DetailsView)sender).FindControl("autor")).DataSource = MethodIveCreate();
((DropDownList)((DetailsView)sender).FindControl("autor")).DataBind();

on DetailsViewChanging method nut i've got error :/

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Forms Data Controls :: Can't Insert From A Dropdownlist Within A Detailsview?

Oct 18, 2010

I figure that this should be relatively straightforward, but I still can't get it to work. I have a gridview and a detailsview to set up shifts for students and teachers. I would like to be able to insert new shifts using a detailsview. I will limit the students, teachers and location to items that are in a dropdownlist. The problem is that when I handle the iteminserting event. the e.values collection doesn't contain all of the fields I want to populate. How do I add the new fields to the list. This is my codebehind:

Sub On_Inserting(ByVal sender As Object, ByVal e As DetailsViewInsertEventArgs)

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Forms Data Controls :: Cannot Insert Value Of Bound Dropdownlist In Detailsview

Apr 25, 2010

I have a dropdownlist in the edititemtemplate of a detailsview. The dropdownlist is bound with an objectdatasource. The detailsview is bound to a seperate objectdatasource which connects it to the insert method. When the page loads the dropdownlist is bound properly. However, when I make a selection and select insert I get the following error: Could not find a property named 'DeptID' on the type specified by the DataObjectTypeName property in ObjectDataSource 'objCurrentProduct'. I've tried to remove the SelectedValue='<%# Bind("DeptID") %> attribute. I can then insert without an exception being thrown but the selected value of the dropdown is not recognized. Here is the code:

[Code]....

[Code]....

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Forms Data Controls :: How To Get Value Of A Dropdownlist Within A DetailsView Template Field

May 18, 2010

I have a template field in a Details View which is a dropdown selection of values.While I can get the value of the textfields in the DetailsView by using: DetailsView1.Rows(i).Cells(1).Text.ToStringI don't know how do extract a value from a dropdownlist2 contained in the DetailsView.

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Forms Data Controls :: Error In Editing DetailsView With Dropdownlist

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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Forms Data Controls :: Detailsview Edit For Cascading Dropdownlist

Mar 2, 2010

I have created two dropdown lists. The 2nd DDL depends for values on the 1st DDL. I have written code on the SelectedIndexChanged event of 1st DDL to change values of 2nd DDL. also i have used detailsview. In the template field i have used 2 DDL mentioned above. they are having SelectedValue='<%# Bind("") %>' property. Everything works fine but when i tried to edit record in detailsview & select value from 1st DDL then it gives me following error.

Server Error in '/' Application. Databinding methods such as Eval(), XPath(), and Bind() can only be used in the context of a databound control. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.InvalidOperationException: Databinding methods such as Eval(), XPath(), and Bind() can only be used in the context of a databound control.

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Forms Data Controls :: Cascading DropDownList In DetailsView Field?

Feb 9, 2011

I have an ASP.NET/C# web project that uses an Entity Data Model and Entity Framework to interact with my database. I also have a DetailsView control that will serve as the control used to insert a new record. The user will need to be able to select from multiple,
cascading dropdownlist controls to determine what parent record this new record will belong to. Here is an example.Say we have an online ordering system with the following hierarchy.

Customers -> Orders -> OrderParts -> Parts

We're going to add a new part to an order, under a customer. Ultimately the orderparts table won't have a reference to a customer, just an order. The order will have the reference to the customer. In the DetailsView for the new orderparts record we will need two cascading dropdownlist controls. One for customer and one for order, since we won't want to view some crazy amount of orders all in one dropdownlist.

However, the customer dropdownlist should not be bound to the detailsview control since there is no field for it. I also don't want to use the AJAX control since I don't want to create a separate web service to provide all of this information to the dropdownlist controls.

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Web Forms :: Radiobuttonlist Item Make Visible True Or False?

Nov 9, 2010

I am using a radiobuttonlist in my project. Where i want to hide one of radiobuttonlist item visible true or false. according to the selection of the country. I am able to hide the radiobutton but the corresponding text is still displayed. How to hide both radiobutton and also the related text.

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Forms Data Controls :: Detailsview Dropdownlist And Label - Integer Not Valid?

Jan 31, 2011

i am using visual studio 2008 vb. i have a dropdownlist in my detailsview populated with product id. when i select an id, the product name will appear on a label. however, when i change the product id in the dropdownlist, an error occur "Conversion from string "ProductName" to type 'Integer' is not valid." Here's the code file.

Protected Sub DropDownList1_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs)
Dim lbl As Label = DetailsViewOrderDetails.FindControl("Label4")
Dim ddl As DropDownList = DetailsViewOrderDetails.FindControl("DropDownList1")
lbl.Text = ddl.SelectedValue("ProductName").ToString()
End Sub

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Forms Data Controls :: Binding A Static DropDownList Inside A DetailsView?

Jan 30, 2010

How do I bind a DropDownList inside a DeatilsView?

I have something like that... but I'm unable to bind it.

[Code]....

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Forms Data Controls :: How To Retrieve Detailsview Records Using Selected Dropdownlist Value

May 23, 2010

I am trying to retrieve Detailsview records filtered by dropdownlist which is populated within Detailsview template.

not sure if this is possible but,

i have three cascading dropdownlists within the detailsview and want to set the third dropdownlist value and dependant dropdownlist values according to retrieved record.

at moment they cascade values independant of what record set is retrieved in detailsview and obtain there parameter from selected dropdownlist in pagebehind.

below is select statement bound to Detailsview and itemtemplate for third Dropdownlist control

[Code].....

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