Dropdown List And Gridview Row-index/selectedvalue?
Jun 1, 2009
I have a gridview with a dropdown list that was created programmatcially. I want to have access to the selected value and to that row's Id. I have the dropdownlist created in *Gridview_RowDataBound* and I am able to use the text in the cell but my addHandler is never fired. Where do I give it the Add handler. I believe I can assign it the addhandler in RowCreated but how would I be able to set up the add handler if the button is created in rowdatabound?
[Code]...
It fits best in Rowdata bound because my dropdownlist items don't duplicate but I need to be able to use the addhandler I created.
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Oct 13, 2009
doing dropdown list selected index changed. I wan to select an item in dropdown list and display in textbox but I got more than 1 textboxes. Is the style sheet (.css) going to hard code by our own. how do I go about starting with it as I am a beginnner using visual studio.
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May 29, 2009
I know the question is a little choppy and perhaps misleading,but I have a gridview with dropdownlists on the rows. I created an AddHandler and a Delegate for the SelectedIndexChanged and it gets to the sub. Here is the code for that:
AddHandler ddlmgr.SelectedIndexChanged, AddressOf ddlmgr_SelectedIndexChanged
Public Delegate Sub DropDownList_SelectedIndexChanged(ByVal sender As Object, ByVal e As DropDownList_SelectedIndexChanged)
Protected Sub ddlmgr_SelectedIndexChanged(ByVal sender As Object, ByVal e As EventArgs)
End Sub How can i get the row's Id if GridView_RowCommand is not called?
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Oct 21, 2011
I would like my gridview to be filtered by the dropdown list I have. It is pulling specific information from the database, so when you choose a value from the dropdown list, it should search through all the records and find only records with the ddl value in them.
The code that I am using in the codebehind for the SelectedIndexChanged is not right though. I get an error message saying 'Value' is not a member of 'Integer'. This is on the line dsCompanyFilter.SelectParameters.Add
It probably has something to do with the gridview not tying to the dropdown list properly, but I am not sure how to fix that code.
<asp:Content ID="Content2" ContentPlaceHolderID="body" Runat="Server"><br /><br /><br />
<asp:linkbutton id="btnAll" runat="server" text="ALL" onclick="btnAll_Click" />
[Code]....
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Feb 27, 2009
how to setup a dropdown list over the gridview when I am in the editing mode? I would like use the code behind to bind the data after assigning to the data source... I am using Visual Studio 2008 ...
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Dec 26, 2011
Basically I have a form which has 2 drop downs. In the 1st drop down I am selecting City category. When the city is selected I want to update the 2nd drop down values in correspondence to 1st value choosen in 1st drop down. I have done like this,This adds the value in the 1st Drop Down:
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim s As String = "connection String"
sqlconn = New SqlConnection(s)
[code]....
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Apr 20, 2012
i need some help with this problem. i have seen some solutions but written in C and im not that good to convert from C to vb.net.Well i want to 'do something' when i mouse move at an item of the combobox dropdown list.like when i move the mouse over "jkl" make the button1.text = "jkl"when i move the mouse over "def" item make the button1.text = "def"
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Nov 16, 2009
Is it possible to change the data source of a dropdown list in a gridview from another dropdown list selected index changed method in the same gridview?
for example I have a dropdown that needs to change its contents depending on what is chosen in the previous cell of the gridview, which is also a dropdown list.
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Oct 28, 2011
This post is similar to one I have posted before about a dropdown filtering results in a gridview. Well now I need this dropdown to attach itself to a repeater that will filter results into a gridview. I have tried rptLetters.DataBind() in the code behind of the dropdown list, but that doesn't seem to be changing any of the letters at the top of the page when I click on different items in the dropdown list.The screenshot doesn't show enough of the products, but in this case it skips from G to L, and in the repeater the letters between G and L are still shown. I need to be able to get that repeater to recognize the letters that start each of the products associated with the company chosen.
<asp:Content ID="Content2" ContentPlaceHolderID="body" Runat="Server"><br /><br />
<asp:linkbutton id="btnAll" runat="server" text="ALL" onclick="btnAll_Click" />
<asp:repeater id="rptLetters" runat="server" datasourceid="dsLetters">
[code].....
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Jan 29, 2009
see what i have done wrong here?
Dim Formview3 As FormView = CType(FormView1.FindControl("FormView3"), FormView)
Dim dropdownlist1 As DropDownList = CType(Formview3.FindControl("DropDownList1"), DropDownList)
[code].....
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Mar 10, 2010
I want to Update Column of a Table where ColumnName will be DropDown.SelectedValue.Example: A set of RECORDS will be displayed from a Customer Table where CUstNo ='1234' and City= 'Chicago' and Grade ='B' Once displayed I want to Update the grade to 'A' of all those customers from the above criteria. In My case I have like 100 Columns, so in where Clause Column Names will be selected from a DaropDown.In My Query, Update Customer SET ColumnName= 'some value' where ColumnName ='ActualValue'So how can I pass the ColumnName which is Dropdown Selected Value. I believe I can't give as Update Customer SET DropDown.SelectedValue = 'some value' where DropDown.SelectedValue ='ActualValue'
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Jan 25, 2010
I have an ASP.Net form where I use a DropDownList control to display data retrieved from a table. However setting the SelectedValue of the DropDownList to a value not existing in the dropdown list does not trigger an exception.
[Code]....
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Jun 19, 2011
Is there a way to populate the value in a dropdown? I am using the following command:
ComboBox1.Items.Add(DropDownData)
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May 25, 2011
Is it possible to select a value of a drop down by its dynamic index that is returning from another function whereas selectindex = 2 (generated dynamically)
selenium.Select(Id, "index = SelectIndex")
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May 3, 2012
I have a GRIDVIEW with columns, one of which contains a CSV of possible values for the dropdown that must appear on each row.
Private Sub GridViewParameters_RowDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs) Handles GridViewParameters.RowDataBound
If e.Row.RowType = DataControlRowType.DataRow Then[code].....
Depending on whether the type of control is a dropdown, textbox, or check box (feined in the table) it hides or shows the relevant control type. If it is a dropdown it needs to get its values from a CSV in a corresponding column. I have a SP that returns a these in table form if passed the id of the relevant row.How do I get that is from the gridview to pass to the drop down and load it correctly?
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Aug 16, 2010
I see a bunch of solutions about editing the template, but seeing as how my gridview changes between 10 different datasources a template isn't possible. how I can accomplish this?
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Mar 17, 2009
i have used this code.and it shows an error: Dim row As GridViewRow = CType(CType(e.CommandSource, Control).NamingContainer, GridViewRow)
The error is as folows:
An exception of type 'System.InvalidCastException' occurred in FFK.DLL but was not handled in user code
Additional information: Unable to cast object of type 'System.Web.UI.WebControls.ContentPlaceHolder' to type 'System.Web.UI.WebControls.GridViewRow'.
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Jan 6, 2012
Suppose you have list 1 (ilist1) and list 2 (ilist2) both lists have 3 items.
At index 0 item1 which has text "-- Select --"
At index 1 item2 which has text "Yes"
At index 2 item3 which has text "No"
Both lists have identical items. I would like to know if it is possible to have the selection of list one be "Yes" and the selection of list two be "No" and vice versa using SelectedIndexChanged or something of the sort.
For example:
ilist1 = --Select--
ilist2 = --Select--
[Code]....
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Sep 15, 2009
i have to modify an asp.net application. The app consists of an huge gridview with lots of javascript, controls and cell modification (color cell etc.) in it. Now i have to modify the gridview to add some more colums. Lot of code is based on identifying a cell based on its index e.g. row.Cells(1). Is there way to optimize this behaivor? I dont like the thought to add a colum in the middel and then increment all indeces to match the new positions.
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Jun 27, 2011
When I click the "Update" button in the gridview, it fire the RowUpdating event, but it returns a error "Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index"
The following is the vb code:
Protected Sub GridView1_RowUpdating(ByVal sender As Object, ByVal e As GridViewUpdateEventArgs)
If e.RowIndex >= 0 Then
[Code].....
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Nov 29, 2011
When I right click on ultra grid view or may be grid view. I want to display different contextmenu strip for different columns. But when I right click I get index of column which I selected not which I right clicked.
Code is as follows:
Private Sub DataGridView1_MouseDown(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles DataGridView1.MouseDown
If e.Button() = Windows.Forms.MouseButtons.Right Then
MessageBox.Show(DataGridView1.SelectedCells(0).ColumnIndex.ToString())
End If
End Sub
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Nov 6, 2011
I would like to get the index of the current row at the PreRender event.
Protected Sub GridView1_PreRender(sender As Object, e As System.EventArgs) Handles GridView1.PreRender
Dim idx as integer =...
End Sub
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Nov 18, 2010
i have problem for the drop down list in the grid view, it not fire the select index changed. I bind the data for the drop down list when the row databound. But when i select the data, it not fire the select index changed. Another drop down list which hard code the item list fired the select index changed. Below is the code behind and the front end code.
<ItemTemplate>
<asp:DropDownList ID="ddlItem" runat="server" Width="80%" AutoPostBack="true" OnSelectedIndexChanged="ddlPrice_SelectedIndexChanged"></asp:DropDownList>
</ItemTemplate>
[Code]....
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Sep 29, 2009
How can i make a dropdown list with checkboxes ? I have a windows app ( vb.net) and the checkboxlist control is not real an option with the available space on my form.
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Aug 3, 2011
How can I add a data to my drop down list came from database? My code is this. And when I try using this:
<form id="form1" runat="server">
<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%$ ConnectionStrings:ConnectionString %>"
[Code].....
It got errors in a webpage that says controls are not allowed to be put here. I only have an empty dropdown right now.
<asp:DropDownList ID="DdLocation" runat="server"></asp:DropDownList>
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Oct 21, 2011
I have a web form in which i have droped 6 dropdownlists and each dropdownlist have previous seven dates to open files from a specific folder concatenated with date at the end of file name.Problem is that when i select first dropdown list it opens file fine but when i select a date from anyother dropdownlist to open file then it open the same file which was opened from the first dropdownlist.Please see the code and make correction in it.
[Code]...
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Jan 26, 2012
How to get a list of the files that were added to the resource file so I can add them to a dropdown list?
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Mar 7, 2011
how to do this Also the drop down list in web service..
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Apr 2, 2012
Function Monitor() As ActionResult
Dim db = New QuarterDBContext()
Dim items As IEnumerable(Of SelectListItem) = db.getQuarter.[Select](Function(c) New
[code].....
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Oct 14, 2011
There are three files:index.aspx
serverInfo.cs
setup.aspx.vb
My enum is in:
//Class:serverInfo.cs
public enum ServerVersion
[Code]...
See which version is selected via dropdown list, compare this to the value in the enum store in var and add to my connection check.
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