Web Forms :: How To Display List In DropDownList
Mar 28, 2011I have more than 50 counties in DropDownList. Instead of entering all the 50 counties into DropDownList, Is there any other way, that give best results.?
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Forms Data Controls :: DropDownList With Different Display And Selection List?
Oct 5, 2010I have a problem with binding a DropDownList. Let's assume a database five years old with many historical records. In order to enable just working with active data every datasource has a column hidden which is occasionally set by administrator in order to clean up old records. The selection looks like
1) SELECT Id, Value FROM Table WHERE Hidden = 0
The issue arises when the user opens a form with old data. As some records in DropDownListhave have already been hidden an exception is raised as the component cannot find the data for the list. For this case the following selection is valid
2) SELECT Id, Value FROM Table
it is possible to combine these two selection queries? The display value should always use query 2 while the listed values should use the query 1.
Forms Data Controls :: Dropdownlist Width / Can Set The Width Property Of The List To Display Wider Than The Field Itself
Oct 4, 2010I have a dropdown list in a gridview field. The DataValueField for the ddl is an 8 digit item code. The text to display through will be quite longer, 40-60 characters because it will combine the item code and item name into a single string. I don't want the dropdownlist field to be that wide though, only what is displayed when the ddl is selected.In Access you can set the width property of the list to display wider than the field itself. Is there that capability in ASP.NET and if so where do I find it?
View 2 RepliesWeb Forms :: Display All Items In Child DropDownList When ALL Is Selected In Parent DropDownList
Sep 6, 2012protected void DDLzone1_SelectedIndexChanged(object sender, EventArgs e)
{
BindDistrict();
}
[Code]......
here when i click on ALL item from ddlzone1 it just "ALL" item in ddldistrict
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Web Forms :: Display Selected Value Of One DropDownList In Another DropDownList On Different Page
May 7, 2015I have two pages manager and user both have drop downs as
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How does I should bind the drop down so that if manager select 1st week from it's page and goes to view link of user then in drop down of user selected value shold be the same as selected by Manager on his own page.
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1 table deprtments with column (DeptID , DeptName , DeptDescription)
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Nov 28, 2010I am using asp.net 3.5 c#.If i want the application (user) to pick multiple things from a dropdownlist, view them and then insert into database.. how can i do that?Is it possible to make it so that once he picks something from the dropdownlist it is added to a list (or a table) ,, so he can check them before inserting to DB??
View 7 RepliesWeb Forms :: DataBinding A Generic List To A Dropdownlist?
Feb 26, 2010I've got a class that implements IListSource and returns a generic List of ListItem objects (List<ListItem>). in this list one of the ListItems has the Selected attribute set to true.On the web page I have a standard asp:dropdownlist and I set it's datasource to the getList method of my class and databind it.The problem is that the databind seems to loose the selected Item and the first item in the generic list becomes selected.
View 8 RepliesWeb Forms :: Trying To Add A List Item To A GridView DropDownList?
Jun 4, 2010I'm trying to add a list item to a gridView dropDownList for when a certain value is in a certain cell in the gridview's edit mode:
[Code]....
I'm not getting any error but the 'if' is being skipped - the value of row.Cells[5] is not being read.
Web Forms :: How To Get List Of VALUES (not Items) From A Dropdownlist
Oct 11, 2010I see that dropdownlist has an "items" property to get the list of displayed items for a dropdown, but it doesn't seem to have an equivalent property for getting the "values" associated with the items. For example, I may have a dropdown that displays "High", "Medium" and "Low", but returns values of "H", "M", "L". How can I easily get that list of HML?
View 5 RepliesWeb Forms :: DropDownList - How To Initiate SelectedIndexChanged If Only One Item In List
Nov 30, 2010I have several DropDownLists which get data from database, that is,
first DropDownList has static data, second DropDownList gets data according to selectedItem of first DropDownList, and so on..
There cases when second DropDownList has only one item, in that case I cant call SelectedIndexChanged.
How to manage it ?
Forms Data Controls :: Add A Sub-list To Dropdownlist Control?
Oct 5, 2010I have question about dropdownlist control.I have a dromdownlist control which shows the list of dealers.I want to add a sub-list to each dealer which should populate the products available at that particular dealership.I don't want to select value from sub-list display.
View 7 RepliesWeb Forms :: Manual Entry In Dropdownlist On Selecting Particular List Item?
Jan 2, 2011In my project requirement user wants to enter a manual entry if they can not find an item in the drop down list.
Right now what I am doing is:
I set the dropdown list autopost back true and on selectedchanged event I am hiding the drop down list and showing a text box to enter a manual entry...
This is working perfect and no problems..
but the drop down list needs to change to a text box on only selecting a "unknown" option in the list...all other list items are doing unnecessary post back to the server with no use...
Forms Data Controls :: How To Bind A List Of Hybriddictionary To The Dropdownlist
Sep 14, 2010I have a List<HybridDictionary> _Reasons.
I need to bind the list to a dropdown.
I tried the code as try
{
this.ddlReason.DataSource = _Reasons;
ddlReason.DataValueField = "Key";
ddlReason.DataTextField = "Value";
this.ddlReason.DataBind();
}
catch
{
//Log Entry
}
finally
{
}
But it not work.
Web Forms :: DropDownList Has A SelectedValue Which Is Invalid Because It Does Not Exist In The List Of Items?
Mar 5, 2010I have a page with some bound DropDownLists (DDLs) for a Call Logging system. The Calls are categorised on three levels for example:
Call: 3069, Category 1: Incident, Category 2: Microsoft Application, Category 3: Word would be used to organise calls for problems with Microsoft Word. On testing the system, I noticed that there was no handling for opening a call if the category had been deleted - say for reorganisation/systems no longer supported whatever. So I set about trying to make the program behave in the following manner:
Check category ID exists in DDL before bindingIt doesn't: set the displayed text of the DDL to Category Name + "(Deleted)"Disable the control to prevent user changingMove on to next control Seemed simple enough, however no matter which way I try and do it I always get the messase ddl_Cat1 has a SelectedValue which is invalid because it does not exist in the list of items. What's really puzzling me is that the exception doesn't seem to be being thrown in the code behind. I've gone through line by line from Page_Init and it never throws and exception. Just when the page loads this appears.
Does anyone know of a reason as to why this wouldn't work? (I've already tried setting the selected value to an existing item, adding a new list item with the value and setting DataSource property to Nothing - in all different combinations.)
Web Forms :: DropDownList With Multiline ListItems - Expands The Width Of The List
Jul 28, 2010I have a DropdownList where some of the items are longer then the width of the list. Firefox expands the width of the list and shws the full length of the ListItem, but Explorer (som people still use that) doesn't do that which results unability to read the whole of the ListItem. I added a "Title" attribute (Tooltip) to the ListItems which shows the full text but even though, the client asks if it's possible to split long ListItems in several lines so user will be able to read it without needing the Tooltip.
View 7 RepliesWeb Forms :: Show Session Value In Radio Button List And In DropdownList
May 25, 2012how I display session value in drop down list and in radio button list.like there is radio button list for gender and dropdown list for countries.
Session["Sgender"]="Male";
Session["Slocation"]="Pakistan";
I want to select "Male" option in radio button list and "Pakistan" in country list given in dropdown list using these session values.
Forms Data Controls :: Expanding Dropdownlist When List Item Is Large?
Mar 4, 2011I have dropdownlist(width=150px fixed)
when lsititem is selected which is greater than 150px width
then dropdown width should increase autamatically depending on value selected
Forms Data Controls :: Dropdownlist Binding (Giving List Of Countries Twice)
Feb 17, 2010Plz go through my code-
<asp:ScriptManager runat="server"/>
<cc1:ModalPopupExtender ID="mpe_AddState" runat="server" PopupControlID="PanelAddState" TargetControlID="btnAddNew" BackgroundCssClass="ModalPopupBG" OkControlID="btnOk"
CancelControlID="btnCancel" BehaviorID="ModelPopUp_AddState">
</cc1:ModalPopupExtender>
<!-- Begin of Content table -->
<table width="100%" border="0" cellspacing="2" cellpadding="2" align="left">
<tr> <td>
<!-- Begin of Search Country Panel -->
<asp:Panel runat="server" DefaultButton="btnSearch">
<table border="0" cellspacing="3" cellpadding="3" align="left">
<tr> <td width="15%" >Search</td> <td width="30%">
<asp:TextBox runat="server" CssClass="textBox" ></asp:TextBox>
<asp:RequiredFieldValidator ID="rfv_txtSearch" runat="server" ErrorMessage="Field can't be left Blank" SetFocusOnError="true" ControlToValidate="txtSearch" Display="None" ValidationGroup="search"> </asp:RequiredFieldValidator>
<cc1:ValidatorCalloutExtender runat="server" TargetControlID="rfv_txtSearch">
</cc1:ValidatorCalloutExtender> </td> <td width="25%">
<asp:Button runat="server" Text="Search" ValidationGroup="search" />
</td> </tr> <tr> <td width="15%">Country</td> <td width="30%">
<asp:DropDownList id="ddlCountry" runat="server" AutoPostBack="true" Height="30px" Width="76px">
</asp:DropDownList> </td> <td width="15 %">
<asp:Button runat="server" Text="AddNew" /> </td>
<td width="25%"></td> </tr> <tr> <td> </td> </tr>
</table> </asp:Panel>
<!-- End of Search Country Panel -->
<!-- Begin of Add State Panel -->
<asp:Panel runat="server" CssClass="formTextBold"
style="width:390px; height:500px; cursor: move;" Height="278px" Width="335px">
<div> <table border="0" > <tr><td></td></tr> <tr bgcolor="skyblue">
<td colspan ="3" style ="font-weight :bold "> Enter The State Details
</td> <td align ="center"><a href="#" onclick ="HidePopup();">
<font color="red" size="+1">X</font> </a> </td> </tr> <tr> <td> </td> </tr> <tr>
<td> </td> <td> State Code </td> <td>
<asp:TextBox id="txtStateCode" runat="server"></asp:TextBox>
</td> </tr> <tr> <td> </td> <td >State Name</td> <td>
<asp:TextBox id="txtStateName" runat="server"></asp:TextBox>
</td> </tr> <tr> <td> </td> </tr>
<tr> <td> </td> </tr> <tr> <td> </td>
<td >Country Name</td> <td>
<asp:DropDownList id="ddlSelectCountry" runat="server">
</asp:DropDownList></td> <tr> <td> </td> </tr>
<tr> <td> </td> </tr> <tr>
<td width="28%" colspan="2"></td> <td >
<asp:Button runat="server" Text="Ok" Width="50px" />
<asp:Button runat="server" Text="Cancel" /> </td>
</tr> </tr> </table> </div> </asp:Panel>
<!-- End of Add Country Panel -->
.cs code is-
protected void Page_Load(object sender, EventArgs e) {
if(!IsPostBack) {
ddlSelectCountry.DataSource = Obj_BLogic.Country_List();
ddlSelectCountry.DataTextField = "Country_Name";
ddlSelectCountry.DataValueField = "Country_Id";
ddlSelectCountry.DataBind(); }
ddlCountry.DataSource = Obj_BLogic.Country_List();
ddlCountry.DataTextField = "Country_Name";
ddlCountry.DataValueField = "Country_Id"; ddlCountry.DataBind();
ddlCountry.Items.Insert(0, new ListItem("Select"));
grdState.Columns[0].Visible = false; }
I want list of countries exactly once in both the dropdownlist (ddlCountry & ddlSelectCountry). But is giving the list of countries twice.
Forms Data Controls :: Remove Databinding Of DropdownList When Another Dropdown List Changes?
Aug 27, 2010I have many controls on my form, but in particular, I have 2 dropdownlists. 1 dropdown list has 2 values, and each value controls what the second dropdownlist displays. This is an edititemtemplate and both dropdowns have the selecteditem set via '<%# Bind("fieldname") #>' on page load.
THe problem is, if I change the value of the first dropdown, it errors out because the second dropdwon has a bound value that is no longer acceptable.
Can I cancel the bind of the second control, if the the first one is changed? I would like to cancel the bind, and update the values by using a different datasource depending on the value of the first dropdown or hardcode the new values.
If Dropdown1 has a value of "A" for example Dropdown 2 Shows Values "1", "2", "3"
If Dropdown 1 has a value of "B" , Dropdown2 Shows Values "4", "5", "6".
It binds fine initially, but if I change Dropdown1 from A to B, I want Dropdown2 to show the new values, maybe with a default of "Select an Item" and not error out b/c it's attempts to bind a value of 1, 2, or 3.
Forms Data Controls :: Adding New List Item To A DropDownList In A GridVIew?
Nov 2, 2010I have a gridview in which one of the columns is a DropDownList.
In another column I have a TextBox and a button next to it.
I want to use the OnClick event of the button to add the text in the The TextBox as a new list item in the DropDownList of that row.
I've this code wit no success:
protected void btnAdd_Click(object sender, EventArgs e)
Web Forms :: Dropdownlist Is Not Displaying - How To Display It
May 22, 2010Whenever I run the following code:
protected void bbtstate_Click(object sender, EventArgs e)