Asp.net - Access Selectcommand Using Codebehind?
Aug 12, 2011
How can I change my selecommand, and keep it through the remainder of the page (when using pagination, sorting)?I have a page of checkboxes:
<input type="checkbox" name="checkbox_1" />
<input type="checkbox" name="checkbox_2" />
<input type="checkbox" name="checkbox_3" />
<asp:Button runat="server" Id="CustomButton" text="Create Report" PostBackUrl="report.aspx?"/>
Then on report.aspx I want to generate a standard listview based on the selections in the checkbox.
<asp:ListView runat="server" ID="ReportListView" DataSourceID="ReportListViewSDS">
<LayoutTemplate runat="server">
...<asp:PlaceHolder runat="server" ID="itemPlaceHolder" />...
[code]....
Will the changes i make to the sql command in the PreRender function hold when I have applied pagination or sorting to the listview?
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Jul 27, 2010
I'm using Telerik RadControls, in my codebehind I have the following function, a portion of which adds buttons to the footer.
[Code]...
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Jul 15, 2010
Get the value of Global variable in javascript [code]...
so want to access "a" in code behind as it's global varible
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Sep 24, 2010
C# or VB.NET are welcome. I have an <%#Eval("FirstName")%> in the aspx page, I want to replace "FirstName" to <%#Eval(employee.FirstName)%> but "employee" object is instantiated in the codebehind like this:
Public employee As New Employee How can I call this object in the aspx page? Should I can create an "employee" in the aspx? if so, how to do that.
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Jul 13, 2011
I also want to store it in a string to check a condition . And again set it wilth a new value if a condition is met. string s = HtmlCell.Attributes["class"] not working I have added runat="server" and added an id for it as well. But i guess HtmlCell.Attributes["class"] is cant be cast into a String. I want to access the value of 'class' attribute.
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May 17, 2011
So making a .Net site w/ VB + running off a MySQL server.
Trying to use a variable within the connectionstring to only retrieve certain data.[code]...
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Apr 1, 2011
I have set a global variable in a module, which I then set the value in form1.I then wish to use this in form 2 in a Select Command for a dataadapter, it however says the variable is not declared although if I call it in a MsgBox on loading form2 it tells me the variable.
My code for the select is:
Me.OleDbSelectCommand1.CommandText = "SELECT Amount, [Record Number] FROM [" & _
"Test] WHERE ([Record Number] = ?)"
[code].....
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Nov 9, 2010
When the page loads, the GridView (located in an update panel) should be loaded with my first SQL SELECT statement. On the button click, the same GridView will be loaded with new data. On startup, the GridView doesn't appear.
[Code]...
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May 22, 2012
I am trying to pass a variable to a SelectCommand in SqlDataSource. I have this MyIdVal that need to be passed.
Here is the code :
<form id="form1" runat="server">
<div>
<%=MyIdVal%>
</div>
[Code]....
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Sep 17, 2009
I have a vb.net application that I want to dynamically create a search criteria using a SQLDataSource. I was trying to dynamically generate a select statement with parameters, assign that string to the selectCommand for the SQLDataSource then selectively assign the parameters.
The issue is several fields (user id) (user name) (email addr)... that I wanted to allow the user to enter any number of these and construct the select given what they entered.
That works if I just construct the string. But I want to use parameters for some sql injection protection as that page will be viewable on the internet.
What happens is I assign the select command but the SqlDataSource does not pick up that there are now some parameters that were not there before.
as in.
Dim firstName As String = tbFirstName.Text
Dim userName As String = tbUserName.Text
Dim userIdFlag As Boolean = False
[Code].....
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Jul 24, 2005
I am using a Microsoft Access Database and I cannot get the Update to work. I assigned a Primary Key in the Access table, but I still receive the error: "Dynamic SQL generation for the UpdateCommand is not supported against a SelectCommand that does not return any key column information"
Here is the
Try
strSQL = "SELECT * FROM Item ORDER By Item.Job"
With oCmd
[Code].....
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Jul 4, 2011
dynamic sql generation for the updatecommand is not supported against a selectcommand
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Mar 10, 2011
I have the following code for a web page that I'm working on:
Imports System.Data.SqlClient
Imports System.Data
Partial Class _Default
Inherits System.Web.UI.Page
[code]....
when the buttonclick event fires I receive the following error:
Error:System.InvalidOperationException: Fill: SelectCommand.Connection property has not been initialized. at System.Data.Common.DbDataAdapter.GetConnection3(DbDataAdapter adapter, IDbCommand command, String method) at
[code]....
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Jun 6, 2011
I am using MsAccess DB and Vb.NET 2008. This is a code to check the Database for duplicate entries but m geting an Error." Fill: SelectCommand.Connection property has not been initialized."
[Code]...
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Nov 2, 2010
1) My login screen is talks to a database and is supposed to verify the users credentials - instead i get this error and i dont know what to do next pleae help.. This error occurs on the line that says adaptor.fill(dataset, "0") ------Fill:selectcommand.connection property has not been initialized
Private
Sub
OK_Click(ByVal
sender As
[code]....
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Dec 10, 2011
I am doing a project for a course that involves a database, i have it set up already so that i can have two different labels displaying data from two different fields in a table when the form loads, but i am trying to get it so that when i click an option in a listbox it will change the displayed information. I am using the following code to set it when the form loads:[code]
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Jul 3, 2009
I have some Tables in an Access DataBase with the same structure and different names. I wish to use one only form (Page) to view data. I must change the name of the Table contained in the SelectCommand but Im not able to do so.
<asp:AccessDataSource ID="AccessQuadent" runat="server" DataFile="~/App_Data/QuaAdmin.mdb">
SelectCommand="SELECT * FROM [QuaGen] ORDER BY [FileDate]desc">
[code].....
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Jun 6, 2011
i need to update my data using stored procedure here is my code :Try
con = getconnect()
con.Open()
sqlcmd = con.CreateCommand
[code]......
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Jan 3, 2011
As part of the application I'm writing in Visual Basic, I have written code to display records in text boxes and cycle through each of them one record at a time. I'm having trouble getting the code I've written to update records to work however.
VB
Public Class frmRecords
' VARIABLES TO AID NAVIGATION THROUGH RECORDS
Dim moverow As Integer
[code]....
At the present time I get an error that says "The DataAdapter.SelectCommand property needs to be initialized"
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Mar 15, 2011
Im just getting user to passing in varibles to SQL i have the below connection string and its throwing an error saying "The SelectCommand Property has not been initialized before calling 'Fill'
[Code]...
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May 13, 2008
i am using data grid and i want to update it when user change i but the fallowing command in button to save update but it did not work and it give error massage
Dim builder As OleDbCommandBuilder = New OleDbCommandBuilder(DataAdapter1)
Dim CmdB As New OleDb.OleDbCommandBuilder(DataAdapter1)
DataAdapter1.Update(DataSet1, "Section")
the error messge (Dynamic SQL generation for the UpdateCommand is not supported against a SelectCommand that does not return any key column information.)
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Sep 4, 2009
I have a table Personal.. and bind it in dataset.. i want to update the fname using datatable.. but it is not working ..throwing the error "Dynamic SQL generation for the UpdateCommand is not supported against a SelectCommand that does not return any key column information."See my source code
[Code]...
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Oct 8, 2009
I have this code that I have found on the net and I run but there is error that says "Dynamic SQL generation for the UpdateCommand is not supported against a SelectCommand that does not return any key column information.". May I know what is the problem?
Here is the code that I get from the net:
CODE:
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Oct 10, 2009
We currently have a asp.net website with some modules developed in VB.Net & some in C# (not just classes but also individual aspx pages and code behind). We figur
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Dec 31, 2009
i have built a DB app using vs2010Beta2 + an Access DB .mdb file for my customers the save bnt work s ok, but when i close the app i get an error message come up saying :- Dynamic SQL generation for the UpdateCommand is not supported against a SelectCommand that dose not return any key column information.i have no errors repoted in the error window at the bottom and all runs well untill frm_closing,below is the code in my form closing event. below that is the code for the btnSave event
Private Sub frmMainCustomerDetails_FormClosing(ByVal sender As Object, ByVal e As System.Windows.Forms.FormClosingEventArgs) Handles Me.FormClosing
If MyState = "Edit" Or MyState = "Add" Then
[code]....
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Oct 16, 2006
im new to vb.net 2003 but have used vb 6 for years and dabbled with 2005. A program that would usually take me a few hours to make i am on day 5, 4 and a half of which have been trying different ways to get it to update, and not one of them will post the information back to the SQL 2000 database I am actually going insaine.
The best i can get out of it is this error. "Dynamic SQL generation for the UpdateCommand is not supported against a SelectCommand that does not return any key column information" I have googled it and come up with the fact the primary key isnt set right, but i still cant get that to work. Here is the peices of code that are relevant.
[Code]....
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Apr 18, 2009
When this code segment execute
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Me.Validate()
Me.myDA.Update(Me.myDataSet.Tables("Table1"))
Me.myDataSet.AcceptChanges()
End Sub
It giving the following error. Dynamic SQL generation for the UpdateCommand is not supported against a SelectCommand that does not return any key column information. Can there is another way to update the access database by using datagrid view.
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Jul 21, 2010
I have the following code in my codebehind Page_Load function that sets the default selected value of a dropdownlist in detailsview based on the name of a record returned from a sql data query.Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
[Code]...
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Aug 21, 2009
My stored procedure is like this.
ALTER PROCEDURE [dbo].[GetImagesByDesignId]
@DesignID bigint,
@RegID bigint,
[code]....
Problem is i want to get datattable as well as imagecount in codebehind.How can i return back datatable and imagecount to codebehind.
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Dec 22, 2010
I'd like to impersonate a specific user in code to perform some file manipulation on a remote machine. The problem I'm having is that I am unable to get impersonation to work. I'm using the code from the Microsoft article found here: How to implement impersonation in an ASP.NET application
I'd like direction on how/where to start the debugging process. Here are my files:
Test.aspx:
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Test.aspx.vb" Inherits="TraceFile_Test" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
[Code]....
I replaced real credentials with myUserName, myDomain, and myPassword for the post.
The web server is a Windows 2008 server running IIS 7. I'm not a server guy, so I don't know where to being the troubleshooting process. Is the issue with the code or server side?
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