Setting Dropdownlist When Returning To Webpage?
Jun 29, 2011
I have a dropdownlist that is being filled by an sqldatasource. What I need to do is set the dropdown choice of the user when returning to the page. So the ropdown will show the selection of the dropdown instead of the defaulted view when it first loads. I have tried the code below but I am getting an instance is not set to an object when returning to the page. I have this code in the page_load and in an if not postback.
<asp:DropDownList
ID="ddlClosed" runat="server" AutoPostBack="True"
DataSourceID="SqlDataSource3" DataTextField="CLOSE_DATE"
[code].....
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Jul 8, 2009
I am new in ASPNET. I am having a problem returning a default value for a dropdownlist. When a user select another value for example(Names- Value)Private - 1; Friends - 2; Public - 3; (not binded to database but hard coded)When a user select a value and saved it to a database. How can I return a new dafault value for a dropdown?
I tried
dropdownlist1.selectedvalue = 2 (code behind)
and still the dropdownlist view Private instead of Friends.
[code]....
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Jul 5, 2011
I have some code that broadly looks like the following ...
WebBrowser1.Document.All("btn_submit").InvokeMember("click")
WebBrowser1.Document.GetElementsByTagName("select").Item("id_pickupdate").SetAttribute("value", "2011-07-07")
I cannot seem to get it to work in one code routine. I end up having to have a separate button to set the date after the page has loaded. I have tried all the blog posts using isbusy, timer etc but it does not seem to work. The code breaks and the error prompt says that id_pickupdate does not exist.
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May 26, 2011
I have a window having 2 dropdowmlists(schemename-SN and propertyno-PN) , one chkbox ,one "VIEW" button.SN has options "all" with value=0 and many other options with respctive values.Now,i want the code should behaves as follows:
1.0n window onload, SN must b visible bt PN nt.
2.if i select SN other thn All...the PN shud b visible and if i select "All" ,PN hides.
3.when check box is checked- PN hides,and if it is unchecked- PN visible..
Important:-This whole ddl n chk box are in updatable panel,button is nt in that.I want a browser compatible code so javascript can't b used directly(cz they give problem in mozzila and chrome).Right now, i have done this JavaScript and its is working fine.
function window.onload()
{
DisableProperty();
}
[code]....
but this code is not browser compatible.here onload,onkeyup and onclick functions are used , but they dont work in other browsers except internet explorer.
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Jun 1, 2009
I have found a couple of examples on the internet to do this but really struggling to get it working in VB. (Tried a converter but had mixed results) I need the selection options of a Dropdownlist to be populated based upon the differing values in the first dropdown list.
Can anyone help with a releativley simple example in VB? Not fussed if the values are "hard coded" in the script. Or a SQL bit that pulls the data from a table
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Mar 15, 2012
I have an ASP.NET web application (VB.NET) using an Oracle database. On an insert, I need to get the identity of the inserted row back. I am trying to use RETURNING, but I keep getting a value of 1 returned.
Dim strInsert As String = "INSERT INTO L.TRANSACTIONS (LOCATION_KEY, TRANS_CREATOR, TRANS_EMAIL, TRANS_PHONE) VALUES (:location_key, :trans_creator, :trans_email, :trans_phone) RETURNING TRANS_ID INTO :ukey"
[Code].....
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Dec 12, 2011
My brain may just be fried since it's the end of the semester, but my teacher kicked this back to fix and resubmit...she said that I am "returning the name of your function rather than your variable name".
Here is my code for all 3 forms.
code:
These are forms to calculate the cost of getting a cell phone package.
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Mar 10, 2010
i have an aspx page with vb.net back end. in that page i get names and url's from the database depending on different conditions. My requirement is that when i get the url, the code should then use that url and have that webpage in a small preview form on my existing aspx page. so basically i have a table as follows -
[Code]...
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Jan 15, 2012
I'm trying to write a program that selects an item (Area Code) from a combobox and this list gets the city that was associated with this area code (another comnbobox list)
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Jan 13, 2009
I making a webpage with the help visual basic. I wanted to put a flv video in it and i used flash control for asp.net [URL]. I made the player in flash told it to download the video from the sever. Now when i put the player on the webpage and put the webpage on the sever it cant play the video. But when i just pres the the player which is in swf format it works. It can download the video. But when i put the player on my webpage it cant.
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Aug 23, 2010
I need help and wondering if you can help me to get my first project...it's a hobby and wondering if you can get me code for this so i can see how it does it* Evaluate( ) Prints the evaluation of the hand to the evaluation Label.
o If IsFlush( ), prints "flush; "
o calls SetPipArray( )
o Uses a For Loop to go through pipArray. For each element, uses a Select Case statement to
[code]....
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Feb 13, 2012
In our projects we use setting variables to store user setting for the applications. Moreover, with every latest version of the applications, we upgrade these variables to retain user settings.Normally, this works fine, but recently one of my end user reported an error i.e.Configuration System failed to initialize". The error is related to user.config file. Therefore we requested the user to send us his file.After received the folder, we noticed that it contains 3 files (3begfjb.newcfg,3begfjb.tmp and user. config). 3begfjb.tmp is an empty file, while 3begfjb.newcfg and user.config are identical files. We tried to open these files but the data in user.config isn't proper xml rather its unreadable formatted file.Do any you guys had experienced this sort of issue or any ideas how and what may have created these files and corrupted user.config file.
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May 6, 2009
Duplicate:good references or tools available for converting from ASP to ASP.NET?How i can convert an ASP Classic webpage into an ASP.NET webpage?
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Oct 2, 2009
I can't get the selected value of a programmatically generated list of items:
Protected Sub ddlMMMYY2_PreRender(ByVal sender As Object, ByVal e
As System.EventArgs) Handles ddlMMMYY2.PreRender
If Not Page.IsPostBack Then
[Code].....
If I try to get a value from a static DropDownList, <asp:listitem> works.
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May 17, 2011
have 3 dropdown list one has pre set values and my post back works the other 2 has the data from the db when i try using post back on them i don't get anything in my grid view.
<asp:DropDownList ID="ddlname" runat="server" DataSourceID="SqlDataSource1" DataTextField="Venue_Name" DataValueField="Venue_Name" AppendDataBoundItems="True" AutoPostBack="True"> <asp:ListItem Text="All" Value="All" Selected="True"></asp:ListItem> </asp:DropDownList>
<asp:SqlDataSource ID="SqlDataSource1" runat="server"
[Code]...
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Oct 18, 2010
I had posted this question before but didn't get the right answer -here's my code again with the if condition.
Dim provider As CultureInfo = CultureInfo.InvariantCulture
Dim a1 As DateTime = Nothing
If date1.selectedvalue isnot nothing Then
[code]....
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May 10, 2009
Actually I would like to add a default value to my dropdownlist before I bind the data from the SQL statement.Below is my codes,how should I change so that my dropdownlist default value will be "All" then only follow by the data retrieved from SQL? [code]
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May 10, 2009
Actually I would like to add a default value to my dropdownlist before I bind the data from the SQL statement.Below is my codes,how should I change so that my dropdownlist default value will be "All" then only follow by the data retrieved from SQL?
[Code]......
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Jun 2, 2009
I'm building a data entry interface and have successfully bound the columns that have reference tables for their data using DropDownList so the user selects from the pre-configured values.
My problem now is that I don't want the first value to be selected by default, I need to force the user to select a value from the list to avoid errors where they didn't pick that field and by default a value was assigned.
Is there a more elegant way of doing this than to add code to include an empty value at the top of the list after I get it from the database and before i pass it to the SelectList constructor in my controller class?
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Mar 14, 2010
how to add an item to a dropdownlist.i have tried this
DropDownList1.Items.Insert(0,
"Abu Dhabi")
DropDownList1.Items.Add(
"Dubai")
but nothing is showing in the dropdownlist
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Nov 23, 2009
Using VB.NET I want to add a data's in the Datagridviewcombobox column
Code.
cmd = New SqlCommand("SELECT Sched_Name from tb_Sched_Master", con)
ada = New SqlDataAdapter(cmd)
ada.Fill(ds1)
[code]....
But I cannot get the data's, what wrong in my code.
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May 19, 2012
I have a VB.Net Windows app that has a form with a ComboBox. It's dropdown style is set to "DropDownList". When I retrieve a record from the DB, I'm trying to assign a value to the "Text" Property of the ComboBox but it's not taking it. I've tried using the "SelectedText", "SelectedItem" properties and they're not working either.
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May 28, 2010
I am using the following method to set a value to ComboBox1 whose dropdown type is set to dropdownlist:
ComboBox1.Items.Clear()
ComboBox1.Items.Insert(0, "ABC")
ComboBox1.SelectedIndex = 0
Is there any other and better way to do it?
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Jun 2, 2009
I want to databind my catagory table to a dropdown list but thecategories aren't going to be in order like:
categoryID Name---------------------1-----------apple2-----------wiper blades3-----------band aids4-----------pear5-----------raisons6-----------tiresHow would I be able to make the list look like:
[code].....
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Mar 10, 2009
Is the anyway to make a dropdownbox look like this
402-2198 474A 475E 474M402-2602 476T 475B 473Q
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May 28, 2010
I want to get the value of the specifed index in a DropDownList
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Sep 4, 2009
I am using vb.net language I have a dropdownlist, which is filled by below pattern
"Smith,James" so first one is surname and second after "," is firstname
I have two textboxes for surname and firstname. Now I want to fill the textbox when dropdownlist is changed.I mean when user changes the dropdownlist the selected text in dropdown will be filled in related textboxes.so my result will be like this
surname.text = "Smith"
firstname.text = "James"
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May 27, 2010
n't know where to put this question.ge:
<asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True"
DataSourceID="AccessDataSource1" DataTextField="maerke"
DataValueField="maidnr" ToolTip="Vælg mærke" style="height: 22px">
[code].....
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Feb 25, 2011
I have 2 drop down lists. When a specific value in the first DropDownList is cicked i want the second one to appear below it. However i'm having some trouble implementing the code. Here it is, does anyone have any idea where im going wrong?
[code]...
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Jan 8, 2010
I'm having the hardest time figuring out something that must be easy. I'm using VB 2005, created a new Web Project and on one of my pages, I have a Dropdownlist Control. Around 10 things or so get put into it at run from a SQL Database. I have that part working just fine. My problem is that once someone makes their choice, how do I assign their choice to some variable. I don't want to update the database, I just want to assign it to a variable to be used somewhere else in the program. I have tried a number of different lines of code that are similiar to
[Code]...
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