Data Controls :: Find Which DropDownList Value Is Changed
Nov 5, 2013
GRADING: EXCELLENT VERY GOOD GOOD FAIR POOR
To what extent equipment efficiency is user friendly Dropdownlist1 Value for course Fees Dropdownlist2 Decision to chosen HIMT Dropdownlist3
In the above dropdownlist when i select the Poor from any of the dropdownlist, popup screen will open in that one textbox is there reason for poor will type. Then I have one ok button and click that button. When I select the any dropdownlist from the above, commonly one popup will be open if we select the above dropdownlist in that popup screen one textbox is there reason for pooor will type.
My question is how do you know which dropdownlist is selected and give the reasonf for poor. For that how can i do in asp.net.
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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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Aug 27, 2010
I have a panel which has a repeater within it. Within the repeater I have a few controls. One of those controls is a Drop Down list which has an OnSelectedIndexChanged event. I can get this to fire without issue but I cannot find my DropDownList control within that repeater within the SelectedIndexChanged event . The repeater has an OnItemDataBound event and I can use the RepeaterItemEventArgs to find the control using e.Item.FindControl("ControlName") without issue but when that event occurs is NOT when I need to find the DropDownList.
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Jun 14, 2010
I wanted to create a dropdownlist that would trigger an asynchronous postback and update the Gridview inside the Updatepanel. However, no matter what I do, when the dropdownlist changes, nothing in the UpdatePanel will change, even the TestLabel....I've been banging my head against the walls for days on this -- why won't this work? When I remove the UpdatePanel code and triggers, all the code works, eg, you change the dropdownlist andthen gridview updates -- but it refreshes the page and this is why I wanted to put the Gridview inside an Updatepanel to make it look cleaner.[Code]....
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Mar 9, 2013
<asp:DropDownList ID="ddlday" Width="100px" runat="server" CssClass="iselect" Autopostback="True"
AppendDataBoundItems ="true">
<asp:ListItem Text="--Select--" Value="0" />
<asp:ListItem Text="Full" Value="1" Selected="True" />
<asp:ListItem Text="Half" Value="2" />
</asp:DropDownList>
I have a dropdown in gridview. I bind the gridview after not ispostback condition. Now if i select drodown lsit value "Full" from the first row of gridview i need all other rows of dropdown in gridview to be selected "full" programtically and after that if the user wants to change other row dropdown to "half" then he can change it.
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May 12, 2010
<asp:DropDownList ID="cboItemsPerPage" runat="server" CssClass="standardComboBox" AutoPostBack="true" EnableViewState="true" OnSelectedIndexChanged="cboItemsPerPage_SelectedIndexChanged">
<asp:ListItem Value="1" Text="1" />
[URL]Initially if I make a selection it will automatically post back and firecboItemsPerPage_SelectedIndexChanged. If I then post back by clicking one of the other buttons on the page, cboItemsPerPage_SelectedIndexChanged will continue to fire, despite the fact that the value has not been changed.I want it to be postback only when selected index is changed, not in every postback
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Jan 5, 2014
I want to create a drop down list, where user can view the code name and the name the code when they click on the drop down list.
But after they choose, only the code is appeared. This is my current coding as for now.
<asp:DropDownList ID="ddlcodetype" runat="server">
<asp:ListItem Selected="True">-</asp:ListItem>
<asp:ListItem>DK Deck</asp:ListItem>
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<asp:ListItem>CT Catering</asp:ListItem>
<asp:ListItem>OT Others</asp:ListItem>
</asp:DropDownList>
With this, both my name and the code name are appeared.
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May 7, 2015
i need to Filter and display Google Map Markers from database based on DropDownList selection. for that I need to pass the selected value of DropDownList to the query.What should i do in the following code to do the above task?
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
[code]...
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Dec 16, 2013
I am using a dropdownlist in my application and it has corresponding SelectedIndexChanged() event.I would like to invoke GridViewEdit Event when SelectedIndexChanged event fires from dropdown list.Is it possible to implement this...??
<asp:DropDownList ID="ddlStatus" Visible="true" AutoPostBack="true" OnSelectedIndexChanged="ddlStatus_SelectedIndexChanged" runat="server">
</asp:DropDownList>
protected void ddlStatus_SelectedIndexChanged(object sender, EventArgs e)
{
//Code to fire the GridViewEdit Event to put a row in edit mode
}
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Sep 27, 2012
Unable to generate dropdown event selectedIndexChange in GridView's Edit Template
protected void GridViewDepartment_RowUpdating(object sender, GridViewUpdateEventArgs e)
{ getConnection = connection.SetConnection();
GridView GridViewDepartment = (GridView)sender;
GridViewDepartment.EditIndex = e.RowIndex; // Update Index You Want to edit
GridViewDepartment.DataSource = departmentTable; // ReBind the GridView
[Code] .....
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Jul 17, 2015
How do i change the name column text the current row when the selected index of drop down is changed? ex:first row is mudassar khan and belgium, when i change belgium i want mudassar to be replaced to a name which i fetch from database....
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May 7, 2015
I'm trying to load a gridview based on selection from dropdownlist. When i run the program, it displays empty gridview. How to solve this?
Name of dropdownlist: CatCode
Code behind:
Private Sub BindProdGrid()
Dim conString As String = ConfigurationManager.ConnectionStrings("SY_InventoryConnectionString").ConnectionString
Dim rowIndex As Integer = 0
Dim box11 As DropDownList = CType(SalesGView.Rows(rowIndex).Cells(1).FindControl("CatCode"), DropDownList)
[Code] ....
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Apr 28, 2014
<br />
<table align="center">
<tr>
<td>
<fieldset>
<legend>
[code]...
For Edit I want to select the OfficeName before Selecting a Department or any another way to do this
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Apr 29, 2010
I have a listview with following structure :
column1 column2 column3
row1 dropdownlist1 dropdownlist3 dropdownlist5
dropdownlist2 dropdownlist4 dropdownlist6
row2 dropdownlist7 dropdownlist9 dropdownlist11
dropdownlist8 dropdownlist10 dropdownlist12
Now, what i want is that , when a user select something from any dropdownlist , a fuction should be called in which I can get column and row of that dropdownlist.
I can get the dropdownlist's id in that function along with row and column of dropdownlist.
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Jan 4, 2013
i have gride view and there are three dropDownList in every row in grideview,i want get selected value from every DropDownList,and pass the values to storeprocedure in sql,I dont know how pass value every row, to store procedure,and StoreProcedure get 3 value.
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Oct 21, 2012
I have a dropdown list within a listview 'EditItemTemplate' and 'InsertItemTemplate" which I am trying to populate from the database with code behind with ItetmDataBound event. Problem is I am getting NullException when I use this code which works fine for ItemTemplate.
<asp:DropDownList ID="ddlItemtList" runat="server">
<asp:ListItem Selected="True" Text="--Select Item--" Value="0" />
</asp:DropDownList>
[Code]....
I get the "Nothing" as output whever I press edit. How do I access the DropDownList withint he Listview?
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Mar 30, 2010
I am using Visual Studio 10/ASP4 but I am sure this problem is me. I created a program and got it all working. GridView and DetailsView, edit, insert and delete all works. :-)... I have spent 4 solid days attempting to have a simple DropDownList with three items on it EDIT a record. Lots of GOOGLeing for suggestions. It just will not work. The insert dropdown works fine(thats how I created the record). I wrote a new simplified program with just the detailsview and the edititem dropdownlist. Still can't get it to work. The detailsview data has a record and the "mode" field (char(20)) has three letters "FTP" in it. The letters display on the Detailsview. I can edit fine but when I add the following drop down list the page aborted with a
"'DropmodeEdit' has a SelectedValue which is invalid because it does not exist in the list of items.
Parameter name: value"
Yet there is only one record and it HAS "FTP" in it! The list has FTP in it? I just don't get it, why?
I added an ondatabinding routine and breakpointed it in the try/catch and found the selectedindex pointed to the correct entry and the items list had the correct entry with no spurious data or spaces. The data being passed displayed good in the detailsview, Am I correct in assuming that is bound to the dropdownlist automatically? or is there some majic that I did not get from Rob Burke?
<asp:TemplateField HeaderText="mode" SortExpression="mode" >
<EditItemTemplate>
<asp:DropDownList DataValueField="mode" DataTextField="mode" ID="DropmodeEdit" Runat="server"
OnDataBinding="mode_OnDataBinding" AppendDataBoundItems="True"
[Code]....
I have used a dropdownlist once before with a datasource instead of listitems, this should be easier?
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Dec 31, 2012
URL...
<asp:GridView ID="gvCustomers" runat="server" AutoGenerateColumns="false" CssClass="Grid"
onrowdatabound="gvCustomers_RowDataBound" Width="100%"
onrowcommand="gvCustomers_RowCommand" >
<RowStyle HorizontalAlign="Center" />
<AlternatingRowStyle HorizontalAlign="Center" />
<Columns>
<asp:TemplateField>
[code]....
and also i tried
GridView gvchild = e.Row.FindControl("gvOrders") as GridView; drplist = gvchild.FindControl("drp1") as DropDownList; // den also same error object reference not set to an instance of an obj
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Nov 24, 2010
I'm having problems binding controls at runtime. I've some user controls which need to be bind to the page when one of the dropdownlist selected index changed.
I can able to bind them properly but when if there is any postback event happens I am losing the controls and control values which were created runtime.
How do I avoid binding them again and again.
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Jul 2, 2012
I want to filter grid view, drop down list should select the column and text box will filter the column. like ID NAME Phone Designation fields in gridview.i will select Designation in dropdown and type programmer in text box .so it should filter programmers from the gridview...
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Dec 2, 2010
is there a way in ASP.NET to find out, wheter a *.aspx page was changed.I need it to refresh a cached static variable in a base-page constructor.
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Mar 11, 2010
I created a simple database in SQL Server 2005, im using SSRS 2005.
I created a report with a table which was populated by a procedure.
I changed the schema from dbo to something else using scripts i found on www.
Now when i try to run my report, it says that the stored procedure doesnt exist, but I can open said proc in query analyser and run it there?
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Oct 12, 2010
i have 2 drop down list..first for city and second for state i want to fill the state list when the city is selected...m using the code
protected void Ddl_SelectedIndexChanged(object sender, EventArgs e)
{
String sqlQuery="select SM.StateId,StateName From StateMast SM,CityMast CM where CM.StateId=SM.StateId AND CM.CItyId='"+ Convert.ToInt16(DdlCity.SelectedValue.ToString())+"'";
DdlState.DataSource = cls.Select(sqlQuery);
DdlState.DataTextField = "StateName";
DdlState.DataValueField = "StateId";
}
but nothing is happing on selecting city..i have set the autopostback of city=true..select is a function which is returning data tablepublic DataTable Select(String sqlQuery)
{
con.Open();
SqlDataAdapter adapter = new SqlDataAdapter(sqlQuery,con);
DataTable table = new DataTable();
adapter.Fill(table);
con.Close();
return table;
}
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Jul 1, 2010
What is the best way to get the value of a dropdownlist control before it has been changed and after it has been changed. Can it be done in one routine? In other words, if a user clicks on a dropdownlist control and changes it's value, I need to get the old value and the new value and send both these values as input parameters to a stored proc.
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Jan 27, 2010
I would like to perform a postback when the droplistlist selected value changes, but only if it was changed via expanding the downdown and clicking an option, not is the user tabs to the control and uses the arrow keys. The reason for this is simple, keyboard accessibility.
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