Deletion Of One Item From Dropdown Box?
Jun 23, 2010Is it possible in my code behind,to remove one specific item from a dropdown box that is bound from a sqldatasource? I've tried, but can't figure this out.
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protected void displayCreateCategories()
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StoreDataContext db = new StoreDataContext();
var a = from c in db.Categories
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[Code]....
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[Code]....
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Aug 10, 2010I have a DropDownList on an ASP.NET page that gets populated by a SQL database.
<asp:DropDownList ID="ddlName" runat="server"></asp:DropDownList>
The population is down in the code behind file:
ddlName.DataSource = SqlDataSource1;
ddlName.DataValueField = (this.ddlName.SelectedValue);
ddlName.DataTextField = "ccName";
ddlName.DataBind();
I was wondering if it was possible to change the background or text color of an item in the list based on it's value? I just noticed that the example below works when the page first loads but on postback the text color disappears even though that is where the code is. Is there something I am missing?
protected override void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
ddlName.DataSource = SqlDataSource5;
ddlName.DataValueField = (this.ddlName.SelectedValue);
ddlName.DataTextField = "ccName";
ddlName.DataBind();
foreach (ListItem item in ddlName.Items)
{
if (item.Value == "Item 1")
{
item.Attributes.Add("style", "color:red");
}
if (item.Value == "Item 2")
{
item.Attributes.Add("style", "color:red");
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}
}
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Jun 16, 2010I am trying to preselect an item in a drop down list box based upon a value I pass in from a data reader. When I place a "Watch" on the drop down list box, the code I am listing below says that it does what it is supposed to and sets the "selected item" to the one I want BUT when the page is rendered and comes up the first item is always selected. It is like it loses the set when the page is loaded or something.
Here is the code....
<td style="width:33%"><asp:Label CssClass="formlabel" ID="lblRU" runat="server" Text="Reporting Unit: "> </asp:Label> <asp:DropDownList ID="ddlRepUnitTeam" runat="server" DataSourceID="SqlDataSource1" DataValueField="MR_LU_TEAMS_PK" DataTextField="MR_LU_TEAMS_NAME"> </asp:DropDownList> </td> <%
For Each item As ListItem In ddlRepUnitTeam.Items
If item.Text = myReader.GetString(0) Then ' ddlRepUnitTeam.Visible = False
item.Selected = True Exit For End If Next %>
For giggles, I add the ".Visible = False" in there as a test and commented it out later. That doesnt work either. The item still is visible. I know the IF statement passes as it enters into the if statement using debug mode and hits the "Exit For" so I know the condition is being met. I am at a loss over this one.
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I am not concern with only bubble up...
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con.Open()
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Dim dr As OleDbDataReader
[code]...
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[Code]....
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ListViewDataItem item = (ListViewDataItem)e.Item;
int LstIndex = item.DataItemIndex;
RadComboBox ddlCategory = (RadComboBox)(listView1.Items[LstIndex].FindControl("rdComboCategory"));
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Jan 20, 2010I have a simple databound dropdownlist. On top, I have a default selection, '--Please Select--', followed by another default selection, '-- Other --'. Here's the script:
[Code]....
Now, my user wants the '--other--' selection to appear on the BOTTOM of the dropdown as opposed to right sfter '--Please select--'. How do I accomplish this?
AJAX :: Combobox Is Seen As Dropdown Not Showing Cursor Selected Item In The List?
Mar 8, 2011I have set the Dropdownstyle to DropDown but its still not highlighting the item in the list
<ajaxToolkit:ComboBox ID="cmbstudentid" runat="server"
AppendDataBoundItems="True" AutoPostBack="True"
Font-Names="Tahoma" Font-Size="Small" [code]....