How To Add Data From Database In Dropdown List Manually
Sep 5, 2010
How to add data from database in drop down list manually?
I have added it as:
In the database table name tbldate there is field day and I have to add all these dates manually as:
dropdownlist1 is id for drop downlist and dr is object of data reader which get the value after select command from the above said table.
dropdownlist1.datasource=dr["day"].tostring();
dropdownlist1.databind();
But it shows only value 17 in dropdownlist why?
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Sep 12, 2010
I have some dropdown list boxes that I need to fill with data from a database but I also need the first option to be "Show All"... So I need to combine using a datasource and manually adding an item to the top of the list. I have tried two different ways with no luck:
1. with the appendDataboundItems = true, on aspx page, and below code in codebehind:
//lstClass.Items.Clear();
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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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Jul 7, 2010
I am not able bind data to the dropdownlist from database. following is code.
DataTable dtModule = BO.GetBizModel_DDL(ServiceID);
if (dtModule != null)
{
ddlBizModl.Items.Clear();
ddlBizModl.DataSource = dtModule;
ddlBizModl.DataTextField = "BIZ_MODL_NM";
ddlBizModl.DataValueField = "BIZ_MODL_ID";
ddlBizModl.DataBind();
}
dtModule.Dispose();
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Aug 10, 2010
I am very new to coding in asp.net, I've never done anything before, but heres my problem, I have a Microsoft SQL Server 2005 Database, and basically I need to be able to search that database by 3 different things, basically there is tons of data, and I need to be able to search by a member ID, a location, and a group name So basically I wanted a drop down list, with these 3 column names, and than a search box where you can actually type in what you are looking for, than have the results display, I have been trying to do this with gridview, but I can't seem to get it to work correctly
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May 19, 2010
I build a webpage to edit the data entry, all the textbox wroks fine. However when I update the value originally took in using dropdown list , I get error and couldn't get correct update.
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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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May 26, 2010
On my website, registered users can make a profile about themselves suchas name, Favoirite color, hobbies, etcI have a DataTable called User which hold this information.also there are other datatables for Hobbies and Colors which list all possible options.To let the user update their choices I have a FormView in Edit mode on the aspx page whichis binded to the UserTable with a GetProfileByUserId Method and objectdatasource.
Within the formview, i have added drop down lists that are binded to the hobbies and Colors tables so they can edit their previous selection.On clicking Uodate update formview calls an Update Method that adds new selections to the User databaseNow I have two questionsIs it possible to show in the dropdown list the selected value that the User has already made?If the user only changes hobbies and not colors when they click update will a null value be passed into the data table for colors that replaces their previous selection?
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Jan 27, 2011
what the problem is that i want to populate drop down list manually
but the thing is i have 3 drop down lists
in first one user will select table name from where the data of 2nd Drop Down list will come
suppose user selected seo then the sql query would be select project_name from dropdownlist1.selecteditem
and this query will show project_name column of seo table in dropdownlist2
then user will select any project name from dropdownlist2 suppose he select salveo so i want that my text box will get populate with project_id of project_name
suppose the project_id of salveo is 123 then automatically in textbox it will enter 123
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Apr 1, 2010
i am trying to fill a dropdown list from the data base, but could not figure , how to code for it..
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May 3, 2010
In the following code i want to save the value selected by user from drop downlist into database. but whatever value is selected by user, first value is saved to database
[Code]....
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May 3, 2010
In the following code i want to save the value selected by user from drop downlist into database. but whatever value is selected by user, first value of dropdown lsit is saved to database
View
<% =Html.DropDownList("lstUsertype", (SelectList)ViewData["UserTypeID"])%>
Controller
public ActionResult CreateUser()
{
UmUser _UmUser = new UmUser();
UMRepository _UMRepository = new UMRepository();
EvoLetDataContext db = new EvoLetDataContext();
ViewData["UserTypeID"] = new SelectList(_UMRepository.FillUserTypes(), "UserTypeID", "UserType",2);
return View(_UmUser);
}
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult CreateUser(UmUser _umUser)
{
//try
//{
if (ModelState.IsValid)
{
//try
//{
UserRepository _UserRepository = new UserRepository();
_UserRepository.Add(_umUser);
_UserRepository.Save();
return RedirectToAction("Details", new { id = _umUser.UserID });
/*}
catch
{
ModelState.AddModelErrors(_umUser.GetRuleViolations());
}*/
}
return View();
//}
/*catch
{
return View();
}*/
}
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Feb 3, 2011
I have details view on a aspx page that contains two DropDownList control in a TemplateField one works and selected value is updated in the database and one will not up date the database , i have spent hours looking for the reason why the
Yard field is not updated with the select value from the dropdown list in the templatefield called DropDownList1.
[Code]....
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Mar 18, 2010
I have a dropdown list which I am populating using the following code:
[Code]....
Fitter: <%--<%= Html.TextBox("Fitter", Model.Fitter)%>--%> <%= Html.DropDownList("Fitter", Model.Fitter)%> <%= Html.ValidationMessage("Fitter", "*")%>
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Oct 4, 2010
I'm stuck with a problem to populate a DropDownList control with values from the database using item field template in read only mode. since I'm new to ASP.NET. Below is the code and the error I'm getting:
'PictureReadOnlyCategories' has a SelectedValue which is invalid because it does not exist in the list of items. Parameter name: value 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.ArgumentOutOfRangeException: 'PictureReadOnlyCategories' has a SelectedValue which is invalid because it does not exist in the list of items. Parameter name: value
The code for this is :
<asp:SqlDataSource ID="categoriesDataSource" runat="server"
ConnectionString="<%$ ConnectionStrings:ConnectionString %>"
SelectCommand ="SELECT [CategoryID], [Name] FROM [Categories] WHERE ([UserId] = @UserId)">
<SelectParameters>
[Code]....
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Mar 25, 2011
I have a ASP.NET AJAX Autocomplete Textbox and Two other dropdownlist in a Update Panel. On selection of an item in Autocomplete Textbox, I want to populate Dropdown list from Database.
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Nov 11, 2010
i am using a list view to view, insert, update and delete my data for the admin page this admin page made for the news and we have categories for that so i need to use a drop down list for these categories and when the admin choose on of these categories records its value as an ID to the database.
[Code]....
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Jul 2, 2010
the following content I created a table (Workers) with two columns(username,userid). Now i have Dropdownlist and textbox. Dropdownlist for Userid, Textbox for Username. If i click on the userid in dropdownlist, then the particular username should get displayed on the textbox. For this i have tried codings.
private void DropDownList()
{
OleDbConnection databaseConnection = new OleDbConnection(ConfigurationManager.ConnectionStrings[1].ConnectionString);
databaseConnection.Open();
OleDbDataAdapter dataAdapter = new OleDbDataAdapter("Select userid from workers", databaseConnection);
DataTable dataTable = new DataTable();
dataAdapter.Fill(dataTable);
DropDownListMaterials.DataSource = dataTable;
DropDownListMaterials.DataTextField = "userid";
DropDownListMaterials.DataValueField = "userid";
DropDownListMaterials.DataBind();
}
protected void DropDownListMaterials_SelectedIndexChanged(object sender, EventArgs e)
{
OleDbConnection databaseConnection = new OleDbConnection(ConfigurationManager.ConnectionStrings[1].ConnectionString);
databaseConnection.Open();
OleDbCommand MyCommand = new OleDbCommand("select username from gridview where userid=('" + DropDownListMaterials.SelectedItem + "')", databaseConnection);
TextBoxUsername.Text =
}
private void DropDownList()
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Apr 14, 2010
I wish to fill a dropdown list with data from a database table.
The table has ID column and a Text column.
I want the dropdown to display the Text column and return the corresponding ID.
What control do I use? What methods can I use to retrieve the data and fill the dropdown.
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Feb 10, 2010
I'm building a small website using ASP.net/C# and I wanted to know how to implement a simple search feature using a text box and a dropdown.
The datasource is a products table and in the text box I enter the product's name and in the dropdown are the categories. (I have managed to populate the dropdown with the available categories already)
It must follow these conditions:
If both text box and dropdown are blank all products must be listed;
If a category is chosen all products from that category must be listed;
If only text is filled, all products that match are shown;
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Jun 16, 2010
I have several dropdown boxes. After user selecting those drop down box, I will insert those values to the database table.
Here is my code:
string InsertString = @"insert into Table..user(PID, GID, TID, SID, SSID) values ('DropDownList_PID.Text', 'DropDownList_GID.Text', 'DropDownList_tid.Text', 'DropDownList_sid.Text', 'DropDownList_ssid.Text')";
OleDbCommand myCommand = new OleDbCommand(InsertString);
myCommand.Connection = myConnection;
myConnection.Open();
myCommand .ExecuteNonQuery();
I always got the error.
OleDbException (0x80040e57): The statement has been terminated. String or binary data would be truncated.] System.Data.OleDb.OleDbCommand.ExecuteReaderInternal(CommandBehavior behavior, String method) +745 System.Data.OleDb.OleDbCommand.ExecuteNonQuery() +113
What am I missing here?
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Oct 19, 2010
<asp:DropDownList ID="DropDownList1" runat="server" DataSourceID="NameSource"
DataTextField="Choice" DataValueField="Appliers" AutoPostBack="True">
</asp:DropDownList>
I want to insert into database with the following code. I want the Appliers instead of Choice to be inserted. Now this code insert the Choice field only
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Jan 4, 2011
web form (table) with 32 dropdown fileds.paging implemented (100 rows per page)populate down button next to each controlfreeze pane implemented for first three columnsWorkinguser will change values of each drop down at runtime inorder to update the information in database.when populate down button is clicked, all the dropdown values below will be replaced with current selectio
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Oct 6, 2010
I have an application as: SelectCommand="SELECT [CategoryID], [Name], [UserId] FROM [Categories] WHERE ([UserId] = @UserId) ORDER BY [Name]">
</asp:SqlDataSource>
Pick a category: <asp:DropDownList ID="categories" runat="server" AutoPostBack="True"
DataSourceID="categoriesDataSource" DataTextField="Name" [code]...
When i take away the <SelectParameters>
<asp:QueryStringParameter Name="CategoryID" QueryStringField="ID" />
</SelectParameters> and ([UserId] = @UserId), the dropdown list control will populate values from the database but when i live those 2, it won't populate any value from the database. When i remove the <asp:QueryStringParameter Name="CategoryID" QueryStringField="ID" />
</SelectParameters>,and live ([UserId] = @UserId), i get the error : Must declare the scalar variable "@UserId".
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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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