Could Not Find Control 'GridView1' In ControlParameter 'productid' Error
Apr 7, 2010
im tryin to link the 2 pages to each another, 1st, when i click on the View hyperlink in the product page, its supposed to lead me to the product view page, with the product chosen being displayed. Ive searched the net, and well, ive found some solution on this, but most of them were to update the statements, for my case it would be just to lead from the product page to the product view page. But everytime i press the view link, it leads to an error.
The source code is as below
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="productid"
DataSourceID="SqlDataSource1">
[Code].....
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Jan 31, 2012
My page has a DetailsView that has a hidden field in it that gets referenced by an SQLDataSource to populate a different field in the same DetailsView. I cannot get the codebehind to find the Control, no matter how many different ways I try. I really need to be able to show the TEXT field which is associated with the dsPicklist SqlDataSource. I have marked the code that is causing problems.
<asp:Label ID="Label1" runat="server" Text="Select Survey:"></asp:Label>
<asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True"
DataSourceID="dsSurvey" DataTextField="SurveyName" DataValueField="SurveyID">
</asp:DropDownList>
[Code].....
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Jan 14, 2011
I'm building a live search inside our web application. But now i have a problem with a Web User Control where i can`t find a solution for.
I`m creating a User Control Search which later will be used for a default live search. Now i have created the solution inside a ASPX page without a user control. This works fine. But when i replace the code into a ASCX file (User Control) the input inside the textfield could not be found. No exception but the input of the function is nothing.
how to get the controlparameter or formparamter to work inside a user control? I already have tried things like ClientID this results into a exception (control not found). The fieldname with the $ instead of the _, this results into the input is nothing.
[Code].....
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Apr 12, 2011
I have a problem with My dataGridVew. i am trying to export data from my DB to excel fie. it's a small page where there are only data grid view and button to export like this :
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
[CODE]...
When i click on the button error message is coming : "Control 'GridView1' of type 'GridView' must be placed inside a form tag with runat=server.???" even i have placed it in form ?
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Nov 3, 2009
I populate s combobox like this:
Private dbpath As String = My.Settings.SISQL2ConnectionString
Private con As New SqlConnection(dbpath)
[code]....
when I select an item from the combo i need to pass the ProductID to another sub.
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Feb 19, 2012
For the application I am making, I want a unique identifier (a weak one is fine, just something that would hopefully tell two computers apart). I think I found the right value for the job in the registry, but for some reason it does not want to read intothe program am going after the following key:HKEY_LOCAL_MACHINESOFTWAREMICROSOFTWINDOWS NTCURRENTVERSION ----> ProductIDThe code I am using to attempt to do this is as such:My.computer.registry.getvalue("HKEY_LOCAL_MACHINESOFTWAREMICROSOFTWINDOWS TCURRENTVERSION","ProductID","x") (that last one is just because I need to return some sort of string)However..... I only ever get X returned, and I'm not sure as to why. I tested this with other keys in LOCAL_MACHINE in case it was somehow protected and they worked
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Apr 1, 2009
I have a string " ProductId + "&" + lblDelegateName.Text + "&" + lblMasterCustomerId.Text + "&" + lblUserName.Text". I want to split the string so, I can get the productId and the lblMasterCustomerId.text. Then, the lblMasterCustomerId.text again contains 16 or 24 digits. I want to split the digits so, in the for loop I can get the first 8 digits and next time the next 8 digits and then, the last 8 digits.
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Feb 18, 2010
I have a datatable which contains a column (ProductName) and it has 10 rows (products). This number of rows in this table varies.The database table (Products) contains 2 columns (ProductID and ProductName). Is there a way to retrieve the ProductID and ProductName from the database table Products by using the datatable instead of creating a one big SQL statement using WHERE clause using?
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Jul 28, 2009
I am getting some wierd errors when using the ReportViewer control in Visual Studio 2008. When I try to access the LocalReport property, it displays with this error: "Cannot find the method on the object instance.". Also, I am getting invalid cast errors saying I cannot cast from Microsoft.Reporting.Winforms.ReportViewer to Microsoft.Reporting.Winforms.ReportViewer. I am getting this using either CType or DirectCast. This is really frustrating as I can find almost no documentation on this error.
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Sep 2, 2009
I have 2 GridViews in my page, GridView1 Display countries and GridView2 Display Cities from selected country. It works perfect but I need to have GridView1 first row always selected just like DropDownList where you Enable AutoPostback
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Sep 13, 2010
My problem is that in the below code, the SelectedRow property returns nothing. I manually bind items to GridView at runtime and autogeneratecolumns and autogenerateselectbutton properties are true.
I think the problem is about having a PostBack when the Select command is clicked.
Protected Sub GridView1_RowCommand(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewCommandEventArgs) Handles GridView1.RowCommand
Session("ContactID") = GridView1.SelectedRow.Cells(0).Text()
Response.Redirect("~/ContactAddress.aspx")
End Sub
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Jan 2, 2011
I have a asp.net webform i m working in VB I have a gridview with template field status ..i have taken two image button in same template field in Item Templates i want when i click on image button1 i redirect to default.aspx ?
and if i click on Imagebutton2 i redirect to default2.aspx ?I have did this
Me.Response.Redirect("Select_seats.aspx?" & "s_no=" & GridView1.SelectedRow.Cells(9).Text.ToString & "&" & "journey=" & Label6.Text & "&" & "seater=" & label4.Text & "&" & "sleeper=" & label2.Text & "&" & "service=" & lab5.Text.ToString)
The problem with this is that the both image button would be redirect to same page .... if i taken this query in gridview select index changed ?
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Jan 15, 2011
[code] ITS ONLY RETIEVE THE FIRST ROW LABEL5 TEXT TO view_feedback.aspx, even if i select the first row of gridview or i selct last row of gridview Can anybody modify this code so that ..it will transfer the label5 value according to the row selected in gridview1
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Oct 29, 2009
I have an error in my application, "Child list for field GridView1 cannot be created."[code]./..
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Jun 21, 2010
I am back with a problem again I have a grid and I am trying to implement sort for it.Basically I have binded the data manually to the grid now my problem is I do not know the code to be written for the sorting event:( some how managed to get the code for the page indexing :-/,...doesnot have much idea!! could you !!"experts" help me out by giving me some hint or sample code in VB.Net:icon_exclaim: unable go ahead further:
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Jan 25, 2011
I want if checkbox1 in gridview is checked then the label1 text in gridview is Block if checkbox1 in gridview is unchecked then label1 text n gridview is unblock .[code]...
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Dec 21, 2010
I have TextBox1 whose Default text is Sumit and a gridview with records and button field in each row ..On Page load eventI want if textbox1 text is Sumit .... then all the records in gridview1 whose name column values is sumit .... then that rows Book button will be disabled and rest of all will be remain as it is in Enableed form Is this coding is right : ?
Protected Sub GridView1_DataBound(ByVal sender As Object, ByVal e As System.EventArgs) Handles GridView1.DataBound
For Each myRow As GridViewRow In GridView1.Rows
[code]....
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Dec 16, 2010
I working on a VB.NET project to manipulate a VB6 form using COM Interop. Some of the controls on my VB6 form are indexed and some not, so calling ctl.Index fails on those that have no index. Is there a way to work out if a control is indexed?
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Oct 17, 2011
I have an aspx page that has two different user controls. I want to find user control A and be able to set properties, etc., from user control B.
I was thinking I could do something like this:
Dim CMFilters As Control = Me.Parent.FindControl("CMFilters")
...but that doesnt work to be able to set properties and call methods. I somehow need to get the user control and and declare it as that user control type.
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Feb 21, 2004
I wanna know if the user is holding the control key or not...there was a class for all this, what happened to it? where did it go?btw wasnt there a way to get information about hardware, such as monitory, keyboard, etc using the .NET classes?
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Feb 3, 2010
I used error provider tool to display the error when the textbox is empty. when the error message is displayed immediately it is inserting the record into the database.I want to clear the error and then insert. how to take the control to textbox?
[Code]...
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Mar 31, 2011
I used error provider tool to display the error when the textbox is empty. when the error message is displayed immediately it is inserting the record into the database.I want to clear the error and then insert. how to take the control to textbox?..Imports System.Data.OleDb
Public Class Form1
Dim myConnection As OleDbConnection
Dim myCommand As OleDbCommand
[code].....
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Jun 26, 2009
I have this code so I can grab the values ind the dataset before i bind it.can't get the dirctcast to work
dim ds as new dataset("Mytable")
gridView.DataSource = ds
Dim dataRow As DataRowView = DirectCast(ds.Tables.Item("MyTable").Rows(), DataRowView)
Dim ID_Equipamento As String = dataRow("ID_Equipamento").ToString()
Dim ID_Password = dataRow("ID_Password").ToString()
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Jan 19, 2010
I have a control into a html div in this way: <div id="FilesUploadedAttachment" runat="server"></div> that's part of a page called Donations.aspx)that allows you save info, (this page have a master page) After fill all needed fields, the user can attach a document pressing a image button and the document (link) appears in the control "FilesUploadedAttachment". When the user press save button I validate all required fills git a routine called ValidateFields in ohter module. The problem is that i need validate if exists something into this div, but until this momment i can't find this control, only can find the controls of the master page but no the rest so first, is possible do this and if is possible, how i can do. I let you the routine that i have been used for do that. I'm using IE6 and framework 2.5
(html)
<tr>
<td colspan="4" style="border-bottom:None; width: 239px;" >
<asp:Label id="LblAttachment" runat="server" cssClass="LabelFormat" Font-Names="Arial" Font-Size="8pt" Enabled="False"></asp:Label>
[Code].....
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Jun 2, 2011
I am trying to convert some old VB6 code to VB.NET. The VB6 uses a Canvas control, simply
Dim cv as Canvas
I cannot for the life of me figure out how to use the Canvas control in VB.NET (using VS2005). MSDN says it is in the System.Windows.Controls namespace, which doesn't seem to exist? All I see is System.Windows.Forms, which doesn't include the Canvas control.
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Mar 28, 2011
i cant find the control txt which is a textbox in the repeater i have used the following on rgroups itemdatabound event
[Code]....
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Jan 7, 2011
I'm trying to find a control in a page. The Id is available as a server control (CheckBox) This throws exception "not able to convert string to double"
Dim taskId As HtmlInputCheckBox
i =10
taskId = Me.FindControl("chkTaskOption_" + i)
taskId.Checked = True
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How to find out which Control the Panel currently contains.
If I show my forms through a panel , then how can I find out which form the panel currently has ?
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Where can I find the slider control that i used in vb6... is there one for VB2010?
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Dec 14, 2010
I am writing a .NET DLL to iterate through all controls in the a VB6 Form passed byref.So far it seems to work VB.NET code:[code]but the TypeOf operator does not work. Is there another way to find the type of control?
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