C# - Add Separators In DropDownList?

Feb 1, 2011

i have a scenario where i have to add separators in DropDownList in asp.net.

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I try to add decimal values to a access db, but it is inserted without any separator. Here's how I do it...

[Code]....

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I'm trying to add comma separators to a number. I've tried the advice here: add commas using String.Format for number and and here: .NET String.Format() to add commas in thousands place for a number but I can't get it to work - they just return the number without commas. The code I'm using is here:

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Nov 18, 2010

I have the following output from a SQL Datasource that I would like to separate into the Giant Sets...

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Data Controls :: Populate City DropDownList Based On District DropDownList Selection

Sep 2, 2012

i have 2 DDL in my page that when users select item from ddldistric1 item in ddlcity1 will change these are my code

 protected void DDLcity1_SelectedIndexChanged(object sender, EventArgs e)
{
BindDistrictC();
}
private void BindDistrictC()

[code]...

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Data Controls :: Clear Cascading DropDownList Selection When Parent DropDownList Is Changed

Jan 8, 2013

I am having two dropdownlist in my project,one dropdownlist for empid, another dropdownlist for month, if the user select the empid, the values are retrieved in the textbox.

In the second dropdownlist, if the user select the month in the dropdownlist it will display the leave details, its all working fine, if the user again select the first dropdownlist that means empid, I want to show the second dropdownlist as select month, how can do this.....

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C# - Disable Or Enable 2nd Dropdownlist In Aspx Based On Selected Choice Of The 1st Dropdownlist Box

Apr 15, 2010

I am having a problem with disabling DropDownList based on the chice of 1st DropDownList, there is no post back occuring, and it is a template based web app here is the current code:

<script type="text/javascript">
$(function() { var dropDownList1 = $('#<%= ddlUserType.ClientID %>');
var dropDownList2 = $('#<%= ddlMember.ClientID %>'); dropDownList1.change(function(e) {
if ( jQuery("#ddlUserType").val() != "ETOC") dropDownList2.removeAttr('disabled'); e.preventDefault();
else
dropDownList2.removeAttr('enabled'); e.preventDefault(); }
} );
</script>

what is happening now is page is blank and if I remove the above code everything shows, where I am going wrong. here is the plain and final javascript code which worked:

<script language="javascript">
function CheckDropDownState(lstbox)
{
if (lstbox.selectedIndex == 3) { document.forms[0].ddlMember.disabled = 1; }
else { document.forms[0].ddlMember.disabled = 0; }
}
</script>

and thew .aspx code: <asp:dropdownlist id="ddlUserType" runat="server" onclick="CheckDropDownState(this);"></asp:dropdownlist>

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Forms Data Controls :: How To Extract Value From A Dropdownlist After Bind 7 Column Name In A Dropdownlist

Mar 29, 2011

I have a table and 7 column name.

I bind the 7 column name in one dropdownlist.

Now the problem is,how do I extract the data value in a dropdownlist?

For example,

Dropdownlist contain 7 column name

-subject_name

-subject_code

-venue

-time

-seat_no

-admission_no

-subject_id

when I click the subject_name,I want it to appear in a gridview

Example

Math|9.00-10.00|Hall|18|09090J|...

Below is my current codes which I have a problem.

protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
{
SqlConnection conn = new SqlConnection("Data Source= EN\SQLEXPRESS;" + "Initial Catalog=ms;Integrated Security=SSPI");
SqlDataAdapter adapSel;
string mySQL = "SELECT '" + dd_list.SelectedValue+ "' FROM examtimetable ";
adapSel = new SqlDataAdapter(mySQL, conn);
conn.Open();
DataSet dsSel = new DataSet();
adapSel.Fill(dsSel);
GridView1.DataSource = dsSel;
GridView1.DataBind();
conn.Close();
}
Previously I have bind 7 column name in my dropdownlist
protected void Page_Load(object sender, EventArgs e)
{
if (Page.IsPostBack == false)
{
SqlConnection conn = new SqlConnection("Data Source= EN\SQLEXPRESS;" + "Initial Catalog=ms;Integrated Security=SSPI");
SqlCommand sqlCmd = new SqlCommand("select column_name from information_schema.columns where table_name='examtimetable' and COLUMN_NAME not like '%ID'", conn);
conn.Open();
SqlDataReader ds;
ds = sqlCmd.ExecuteReader();
dd_list.Items.Clear();
dd_list.DataSource = ds;
dd_list.DataTextField = "Column_Name";
dd_list.DataValueField = "Column_Name";
dd_list.DataBind();
dd_list.Items.Insert(0, "Select Option");
ds.Close();
conn.Close();
}
}

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DataSource Controls :: Display Employee Name In Dropdownlist Depend On Departments Name In The Other Dropdownlist

Nov 15, 2010

i use 2 dropdownlist with 2 object data source first dropdownlist to display departments name using object datasource (field to display DeptName , value of field DeptID)

second dropdownlist to display Employee name but depend on departments (field to display EmpName , value of field EmpID)

how to display employee name in dropdownlist depend on departments name in the other dropdownlist

2 tables

1 table deprtments with column (DeptID , DeptName , DeptDescription)

2 table Employee with column (EmpID , DeptID , EmpName)

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Forms Data Controls :: What Is The Code For Dropdownlist After Binding All Columns Name In A Dropdownlist

Mar 28, 2011

Currently,below is my code.

protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
{
SqlConnection conn = new SqlConnection("Data Source= E\SQLEXPRESS;" + "Initial Catalog=k;Integrated Security=SSPI");
SqlDataAdapter adapSel;
string mySQL = "select column_name from information_schema.columns where table_name='examtimetable' '" + dd_list + "'";....

I receive an error "Incorrect syntax near 'System.Web.UI.WebControls.DropDownList'."

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Web Forms :: Display All Items In Child DropDownList When ALL Is Selected In Parent DropDownList

Sep 6, 2012

protected void DDLzone1_SelectedIndexChanged(object sender, EventArgs e)
{
BindDistrict();
}

[Code]......

here when i click on ALL item from ddlzone1  it just "ALL" item in ddldistrict

i want when i select "ALL" item from ddlzone1 in ddldistrict14 show all data from database

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Web Forms :: Populate Multiple Cascading DropDownList On Selection On Main DropDownList

Aug 12, 2012

i have 3 drop down list in my page

1-ddlzone1
2-ddldistrict1
3-ddlstore1

this is  ddlzone1 code

protected void DDLzone1_SelectedIndexChanged(object sender, EventArgs e) {
DDLstore1.Items.Clear();
DDLstore1.Items.Add(new ListItem("select center", ""));
DDLstore1.AppendDataBoundItems = true;
SqlCommand _cmd = new SqlCommand("selectcenter", _cn);

[CODE].....

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Mar 8, 2010

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

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Web Forms :: Nested Dropdownlist Ondatabound => Bind Other Dropdownlist Fail

Dec 9, 2010

I have a gridview with 3 nested dropdownlists in one cell on edit like this:To get the exact fields when the user clicks on edit I used the following code(yes it's messy)

[Code]....

The BLLOnderhoud is a class and the getReserveInfo is used to get the Model - Brand(merk) Information.Since the dropdownlists are nested in the gridview I can't call them directly and they can't call any of my functions.And this is the problem, when I change the dropdownfield Model the Auto field wich is the last dropdown(in the picture is a typo) should be binded like in the following code:

[Code]....

But the dropdownlist onDataBound event can't call any of my functions that are in my class.So my question is how can the onDataBound event of the second dropbox trigger a function? The only thing that the function has to do is to bind the 3rd dropdownlist

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Web Forms :: Disable Postback When Select Dropdownlist To Control Other Two Dropdownlist Value

Mar 25, 2011

I had use a combox to let user select staff name and then it will automatically retrive the responsible recommending officer and approving officer to display in other 2 dropdownlist.

my code works fine but when user select staff name each time, the page will reload once to refresh the dropdownlist.

user complaint and don't want the page reload every time, how can i disable the postback? I need to use ajax?

[Code]....

[Code]....

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Disabling Dropdownlist Inside A Gridview Based On Value Selected On Another Dropdownlist?

Jan 11, 2011

what i m trying is i hav two dropdownlists inside the gridview... namely say ddonsiteoffsite and ddhours... now what i want is if the selectedtext of ddonsiteoffsite is "onsite" the ddhours should b disabled... i tried the code snippet but ... its not disabling the ddhours... can someone help me please..

<asp:TemplateColumn HeaderText=" OnSite/OffSite" >
<ItemTemplate>
<asp:DropDownList ID="ddOnsiteOffside" runat="server" onchange="ToggleOnOff(this)">
[code].....

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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 9, 2012

Using  dropdown in gridview and bind the values in dropdown then based on dropdown display the value in another column.

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C# - Populating Dropdownlist Using MVC2 Based On Another Dropdownlist (Cascading)

Sep 18, 2010

I am making an application that deals with vehicles. I need two DropDownLists:

Makes: All Vehicle Makes
Models: Models that belong to the selected value of the Make DropDownList

How is this done in MVC2? My Idea: Do I use an ajax call when my first list is selected and then pull back the Models to bind to the Model DDL? How would model binding come into play that way? UPDATE I posted what I ended up doing as an answer. It is super simple and works great. You can use a get too if you feel so inclined, but you have to specify that you want to like so... return Json(citiesList, JsonRequestBehavior.AllowGet);

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Access :: Adding Item To Dropdownlist From Database Using First Dropdownlist?

May 28, 2010

i have two dropdownlist , i want to add item in dropdownlist 2 from database if the city is changed in first dropdownlist..I am using access database

here is my code:

[code]....

but when i select any text , it will not show anything in dropdownlist2 ..

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VS 2008 Dropdownlist Selection Disables / Enables Another Dropdownlist

Aug 1, 2013

I have a dropdownlist on my page with dates such as 1/1/2013, 2/1/2013, etc.

Then there is a second ddl.

If the date in ddl #1 is before 1/10/2013 I want to enable ddl #2.
If the date in ddl #1 is on or after 1/10/2013 I want to either disable ddl #2 or hide it (whichever's easier).

Disabling ddl #2 based on the selected date is a new requirement so I am enhancing the existing code. Obviously I want to do this without a postback, but I don't know what is the best way. I am trying to understand what an AsyncPostBackTrigger is because this is the existing code:

Code:
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:dropdownlist id="EffectiveDateDropDown" runat="server"></asp:dropdownlist>
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="QuoteType"
EventName="SelectedIndexChanged" />
</Triggers>
</asp:UpdatePanel>

It wants to do something when the selected index is changed? This exists in the code-behind, but I set a breakpoint and never hit it:

Code:
protected void QuoteType_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
}
catch (Exception err)
{
this.PublishError(err);
}
}

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Dec 17, 2012

I am having a 2 dropdown list, in the first dropdown I have 3company names,for each company I am having separate tables,every table have a empcode, if the user select the  company name in the 1st dropdownlist, as per company selected the 2nd dropdownlist it will fill the  list of employee codes as per the selection..

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May 7, 2015

I have two pages manager and user both have drop downs as 

Week, Months and Years.

User have to enter some data week wise for each months and Manager have to approve that.

To Approve manager select months and week from dropdown on his own page and then navigate to User page.

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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Web Forms :: Populate Dropdownlist From Another Dropdownlist Selection?

Dec 29, 2010

I have 2 dropdownlist, one is to dropdown department, and another dropdown staffnames. the secong dropdownlist will based on the selection of department as each department has different staffs i have 2 tables department and staff in my database , in my department table i have departmentid as PK and departmentname, in my staff table i have staffname and departmentid as FK. So my ques is how am i going to populate staffname in the dropdownlist according to the selection of department.

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MVC :: Dropdownlist Template Dosn't Show Dropdownlist?

Mar 30, 2010

i am created a Template for showing dropdownlist when i used the Template by this code

<%= Html.Editor("ItemStatusID", "ItemStatusList")%>

i did see a text box no dropdownlist this is my Template

[Code]....

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