Web Forms :: Bind BLL To A Dropdown List?

May 3, 2010

I have a BLL where in I am getting all the data from a table. Now I want to populate a dropdown with one of the field in this BLL.

ddlstatus1.SelectedValue = dt.Rows(0).Item("StatusCode") and this is not working.

I tried ddlstatus1.SelectedIndex = dt.Rows(0).Item("StatusCode") too but this is throwing an error that string cannot be converted to Integer.

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Mar 1, 2011

I've a dropdown list for selecting countries. As there are lot of countries it's very tedious to add each country like this

drpdwncountry.Items.Add("India");
drpdwncountry.Items.Add("USA");
drpdwncountry.Items.Add("Russia"); etc

is there any other way to add list of countries ?

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Jan 7, 2010

Is it possible to bind two separated datasources to one dropdown list such that they are both alphabetically sorted and seprated by some sort of line. I know there is a way to insert elemets manually, but I'm not sure of the 2 separate datasources. I've serached this forum and while there were several posts none of them offered any workable solution.

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Forms Data Controls :: How To Re-bind A Dropdown List Control In A Formview

Oct 20, 2010

I have a formview in which I have a dropdown list that displays a list of owners. In case the list does not have the correct owner for the user I have added functionality for them to add a new owner to the database table that populates the list. I did this by including a textbox and an Insert button in a panel. When the user clicks the new owner insert button I would like to re-databind the dropdown list so that they will see the owner they added and be able to select it.

When I add ddl_owners.databind to my button click code it gives me an error. "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 :: Bind Table Names In To Dropdown List Box?

Sep 24, 2010

I have "Testdtabse" it's consists of the Table like aaa,bbb,ccc,ddd,eee etc.. I want to bind that table names in to My droipdown list box..

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Forms Data Controls :: Bind Dropdown List In Gridview(without Using Asp.listitem)?

Jan 17, 2011

How to bind dropdown list in Gridview(without using asp.listitem)

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Forms Data Controls :: Dropdown List Bind With Database Inside Gridview

May 30, 2010

I have created an asp.net customizable gridview where user will be able to add and delete data. Now I face some proplem with this gridview. now I want to add a dropdown list (which is dynamically bind with database) inside the grid. I created code and it bind well. when the page is post back previous selected dropdown list value lose and set to selectedIndex=0; For this reason I used if(!page.Ispostback) and put the dropdown binding code inside this. Here I faced a problem. The problem is when I want to add data inside grid the dropdownlist missin bind. How can I overcome this problem? For your kind observation I given entire code below:

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
CellPadding="4" ForeColor="#333333" GridLines="None"
onrowdeleting="GridView1_RowDeleting"
onrowdatabound="GridView1_RowDataBound">
<RowStyle BackColor="#EFF3FB" />
<Columns>
<asp:TemplateField HeaderText="SL">
<ItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%# Bind("RowNumber") %>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("RowNumber") %>'></asp:TextBox>
</EditItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Material">
<ItemTemplate>
<asp:DropDownList ID="drpMaterial" runat="server">
</asp:DropDownList>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Quantity">
<ItemTemplate>
<asp:TextBox ID="txtQuantity" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server"
ControlToValidate="txtQuantity" ErrorMessage="Required Field Missing">*</asp:RequiredFieldValidator>
</ItemTemplate>
</asp:TemplateField>...............................

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MVC :: Bind An Enum Values To A Dropdown List

Apr 26, 2010

I would like someone to explain how I can pass a drop down list from the presentation layer to the controller using the Model View Controller Design Pattern from Microsoft in order to bind enum values to it?

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ADO.NET :: Selecting Custom Columns To Bind Dropdown From A Generic List?

Feb 18, 2011

I have been facing this problem for a while now, what I exactly want to do is ->

I have a 3- Tier Application. For a table (say Employee) I have following classes in my BLL and DAL

1. Employee.cs (Contains database fields as properties)

2. EmployeeKeys.cs

3. EmployeeFactory.cs (Main BLL which make call to DAL method)

4. EmployeeDAL.cs (The DAL)

Suppose I have 6 columns in Employee table.

I know that the DAL returns List<Employee> to the BLL and then the BLL in turn gives me the Employee fields.

I have no problem accesing it.

But suppose I have a dropdownlist control and wish to bind EmplyeeName and EmployeeId with the Dropdown.

Is there any way that I can implement that my DAL returns a Generic list containing only the two fields required to bind the Dropdown.

In short i want my list to return only 2 columns, not all the 6 like the List<Employee>

How do i implement this???

Do I need to create a custom List<CustomEmployeeData>, if so how can i implement it in the 3 tier application.

Basically i m looking to increase the efficiency by getting less data from database. Am i on the right track????

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Bind Datafield To Dropdown List With Hard Coded Values?

Jan 19, 2010

I have a dropdown list with hard coded values:

<asp:ListItem Text="One Day Shoots" Value="1" />
<asp:ListItem Text="Multi-day Shoots" Value="2" />

I want to use this to insert and edit values from a db. For example when adding a record the user selects 'One Day Shoots' and 1 gets inserted into the database. Then if the user goes to edit the page since the value in the db is 1 then the 'One Day Shoots' is selected.

One way I considered accomplishing this was by using a hidden feild - when the user selects something in the dropdown list the field is updated with the value, then when the user actually adds the record the value in the feild is submitted. I'm pretty sure this would work but is there a better way?

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Forms Data Controls :: 2 Dropdown List / "Displaying A Dropdown List Of Categories With A --None -- Option?

Oct 10, 2010

I am stuck at this point "Displaying a dropdown list of Categories with a --None -- Option. I want the gridview control to display 2 dropdown list one in read-only mode and the other in edit mode. When a record is in read-only mode, the dropdownlist's enabled property will be set to false."When it's on a read-only mode, it doesn't display the selected Category. it shows but the "No Category". When i click on edit to edit or change category, it doesn't display the selected category.

The example is given below( I am reading the book Sams Teach yourself ASP.NET 2.0 by Scott Mitchell. page 628)

<asp:Label ID="UserIdValue" runat="server" Visible="False"></asp:Label>
<asp:SqlDataSource ID="picturesDataSource" runat="server"
ConnectionString="<%$ ConnectionStrings:ConnectionString %>"
SelectCommand="SELECT * FROM [Pictures] WHERE ([UserId] = @UserId) ORDER BY [UploadedOn] DESC"
DeleteCommand="DELETE FROM [Pictures] WHERE [PictureID] = @PictureID"
InsertCommand="INSERT INTO [Pictures] ([UserId], [CategoryID], [Title], [Description], [UploadedOn]) VALUES (@UserId, @CategoryID, @Title, @Description, @UploadedOn)"
UpdateCommand="UPDATE [Pictures] SET [UserId] = @UserId, [CategoryID] = @CategoryID, [Title] = @Title, [Description] = @Description, [UploadedOn] = @UploadedOn WHERE [PictureID] = @PictureID">
<DeleteParameters>
<asp:Parameter Name="PictureID" Type="Int32" />
</DeleteParameters>
<InsertParameters>
<asp:Parameter Name="UserId" />
<asp:Parameter Name="CategoryID" Type="Int32" />
<asp:Parameter Name="Title" Type="String" />
<asp:Parameter Name="Description" Type="String" />
<asp:Parameter Name="UploadedOn" Type="DateTime" />
</InsertParameters>
<SelectParameters>
<asp:ControlParameter ControlID="UserIdValue" Name="UserId" PropertyName="Text"/>
</SelectParameters>
<UpdateParameters>
<asp:Parameter Name="UserId"/>
<asp:Parameter Name="CategoryID" Type="Int32" />
<asp:Parameter Name="Title" Type="String" />
<asp:Parameter Name="Description" Type="String" />
<asp:Parameter Name="UploadedOn" Type="DateTime" />
<asp:Parameter Name="PictureID" Type="Int32" />
</UpdateParameters>
</asp:SqlDataSource>
<br />
<asp:SqlDataSource ID="categoriesDataSource" runat="server"
ConnectionString="<%$ ConnectionStrings:ConnectionString %>"
SelectCommand="SELECT [CategoryID], [Name] FROM [Categories] WHERE ([UserId] = @UserId)">
<SelectParameters>
<asp:ControlParameter ControlID="UserIdValue" Name="UserId" PropertyName="Text" />
</SelectParameters>
</asp:SqlDataSource>
<br />
<asp:SqlDataSource ID="maxPictureIDDataSource" runat="server"
ConnectionString="<%$ ConnectionStrings:ConnectionString %>" SelectCommand="SELECT MAX(PictureID)
FROM Pictures
WHERE UserId = @UserId">
<SelectParameters>
<asp:ControlParameter ControlID="UserIdValue" Name="UserId"
PropertyName="Text" />
</SelectParameters>
</asp:SqlDataSource>
<br />
<asp:Label ID="cannotUploadImageMessage" runat="server"
Text="The photo could not be added to your album either because you did not specify a file to upload or the file specified was not a JPEG image with the file extension .JPG"></asp:Label>
<br />
<asp:DetailsView ID="dvPictureInsert" runat="server"
DataSourceID="PicturesDataSource" Height="50px" Width="125px"
AutoGenerateRows="False" CellPadding="4" DataKeyNames="PictureID"
DefaultMode="Insert" ForeColor="#333333" GridLines="None">
<AlternatingRowStyle BackColor="White" />
<CommandRowStyle BackColor="#D1DDF1" Font-Bold="True" />
<EditRowStyle BackColor="#2461BF" />
<FieldHeaderStyle BackColor="#DEE8F5" Font-Bold="True" />
<Fields>
<asp:TemplateField HeaderText="Picture">
<InsertItemTemplate>
<asp:FileUpload ID="imageUpload" runat="server" />
<asp:RequiredFieldValidator ID="RequiredFieldValidator3" runat="server"
ControlToValidate="imageUpload" Display="Dynamic"
ErrorMessage="There was no file selected" ValidationGroup="PictureAdd"></asp:RequiredFieldValidator>
</InsertItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Category" SortExpression="CategoryID">
<EditItemTemplate>
<asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("CategoryID") %>'></asp:TextBox>
</EditItemTemplate>
<InsertItemTemplate>
<asp:DropDownList ID="pictureCategory" DataSourceID="categoriesDataSource"
runat="server" DataTextField="Name" DataValueField="CategoryID"
SelectedValue='<%# Bind("CategoryID") %>'
Visible='<%# Bind("CategoryID") %>' AppendDataBoundItems="True">
<asp:ListItem Selected="True" Value="">-- Select Category --</asp:ListItem>
</asp:DropDownList>
</InsertItemTemplate>
<ItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%# Bind("CategoryID") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Title" SortExpression="Title">
<EditItemTemplate>
<asp:TextBox ID="TextBox2" runat="server" Text='<%# Bind("Title") %>'></asp:TextBox>
</EditItemTemplate>
<InsertItemTemplate>
<asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("Title") %>'></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server"
ControlToValidate="TextBox1" Display="Dynamic"
ErrorMessage="you must provide a name for the title"
ValidationGroup="PictureAdd"></asp:RequiredFieldValidator>
</InsertItemTemplate>
<ItemTemplate>
<asp:Label ID="Label2" runat="server" Text='<%# Bind("Title") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Description" SortExpression="Description">
<EditItemTemplate>
<asp:TextBox ID="TextBox3" runat="server" Text='<%# Bind("Description") %>'></asp:TextBox>
</EditItemTemplate>
<InsertItemTemplate>
<asp:TextBox ID="TextBox2" runat="server" Text='<%# Bind("Description") %>'

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Web Forms :: Bind Dropdown List In Content Page From Value From Master Page

Aug 29, 2010

I have applied nested master page to some page. Now i want to bind drop downlist from value selected in dropdown list in master page of master applied to that page.

the hierarchy of pages is

mypage.aspx -> main.aspx -> inner.master

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Forms Data Controls :: Attempting To Bind Data From A Dropdown List / Cannot Insert The Value NULL Into Column 'COUNTY'

Dec 14, 2010

I am attempting to bind data from a dropdown list that was populated from another datasourceID. I've bolded what I believe is relevant to this issue in the code below. But basicly its binding the proper county on the pull down menu but when I hit form submit it dosnt postback that info instead its null.

[code]....

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Sep 8, 2010

Does anyone know how to do this so when I select something the 1st dropdown and the 2nd one becomes visible and populates list from a Select statement. I really need help on how to do in an aspx and not on the code behind page.

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I have a situation where I want to show the selected records out of total records for a product of an employee

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Web Forms :: Clicking The Label Of A Dropdown List - Resets The Selected Value To The First Item In The List?

Feb 17, 2010

Clicking the label of a drop down list, re-sets the selected value to the first item in the list. This has a history of causing data entry problems when users accidently click on the label.

In the below example ddlContactType has a selected value as 'PRIMARY' and whenever i click on the lblContactType Text, the dropdown box Selected value is changing to "Select One" Text.

How to prevent this one. It should be on PRIMARY Only.

<p>
<tr> <td ><asp:Label ID="lblContactType" Font-Bold="true" Text="Contract Type: *" ForeColor= "red" runat="server" AssociatedControlID="ddlContactType"></asp:Label> </td> <td > <asp:DropDownList runat="server" ID="ddlContactType" DataSourceID="SqlDataSource2" AppendDataBoundItems="true"
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<asp:ListItem Text="Select One" Value="0" Selected="True"></asp:ListItem>.......

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Forms Data Controls :: Databound Dropdown List / Shows First Value In List Rather Than Current Value?

Jan 17, 2011

I have a databound dropdownlist and have a problem with the default value it selects.When I attempt to edit a record the dropdownlist shows the first value in the list rather than the current value. I want the dropdown list to display the current value.

I'm sure this is very simple but I'm very new to ASP.NET.

I'm using .NET version 4.

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How to disable two drop downs on checking one of radio button from radiobutton list,,its like radiobuttons with no ID in side <asp:RadiobuttonList> tag. 

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I'm trying to populate a dropdown list from a list of existing SQL tables in a database. Does anyone have a code sample for doing this?

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JQGrid Inline Editing - Filter Subcategory Dropdown List Based On Another Category Dropdown

Jul 9, 2010

I have a category and a subcategory column in a Jqgrid. I have enabled inline editing, both category and subcategory are dropdownlists columns (edittype:'select'). I need to filter the subcategory list based on the selected category. I wonder how can I acheive this functionlity? I tried the below event but its not working for me

afterEditCell: function(rowid, celname, value, iRow, iCol) {
//to do here
}

the above event doesn't get fired. my all column are editable

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Web Forms :: Bind Dropdown Inside Gridview?

Oct 20, 2010

bind dropdown inside gridview?

[Code]....

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Web Forms :: Bind Dropdown In Edit Item Template In Gridview?

Feb 26, 2010

I have a template field in which I have a drop down as Edit Template.....When I am selecting the drop down the changes are not reflected. How do i need to bind the dropdown as I am soing it to the textbox: MyCode:

[Code]....

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In vs2008 and sql2005, I want to edit gridview..

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