Web Forms ::unhandled Exception Occurred During The Execution Of The Current Web Request?

Apr 28, 2010

When I set Autopostback="true" in RadioButtonList and in its Items setting Enable=true, Select=false. I have select All Item as false so that when page is loaded on screen, it does not showing any value as selected (as per client requirement).Then run a application and selecting any value of this RadioButtonList, it generate an error like Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm.AutoGenerate cannot be used in a cluster.Description: An unhandled exception occurred during the execution of Please review the stack trace for more information about the error and where it originated in the code.

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Unhandled Exception Occurred During The Execution Of The Current Web Request

Jun 8, 2010

I need values for 6 years that's 72months
if (i <= 72)
{
values[i] += C158_Calc;
}
B162_Calc = Financial.IRR(ref values, 0.1) * 12;
row9["Month1"] = String.Format("{0:#,###,###,###.##}", B162_Calc);
Description: An unhandled exception occurred during the execution of the current web request.

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Forms Data Controls :: An Unhandled Exception Occurred During The Execution Of The Current Web Request?

Feb 17, 2010

I have a simple page with a gridview who's select and delete are enabled. It is bound to a dataset using the object data source. Clicking delete, I get

No parameterless constructor defined for this object.

Description:

An unhandled exception occurred during the execution of the current web request. review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.MissingMethodException: No parameterless constructor defined for this object.

Source Error:

[Code]....

Stack Trace:

[Code]....

System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1565

I have seen other articles stating the dataset doesnt make a parameterless constrcutor, trouble is I don't know how to make one.

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An Unhandled Exception Occurred During The Execution Of The Current Web Request - How To Avoid It

May 6, 2010

in local it works. when i load server, i got this error.

Using themed css files requires a header control on the page. (e.g. <head runat="server" />).

Description:

An unhandled exception occurred during the execution of the current web request. review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.InvalidOperationException: Using themed css files requires a header control on the page. (e.g. <head runat="server" />).

[code]....

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Getting Error - An Unhandled Exception Occurred During The Execution Of The Current Web Request?

Feb 19, 2011

I am getting System.OutOfMemoryException exception in my Web Application (ASP.NEt with C# and MySql ) hosted on IIS.

The problem is popping up randomly once every few days when i enter username and password to enter..

What is the actual reason of this Error and suggest somthing to kill this problem permanently..

Server Error in '/' Application.

Exception of type 'System.OutOfMemoryException' was thrown.

Description:

An unhandled exception occurred during the execution of the current web request. review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.OutOfMemoryException: Exception of type 'System.OutOfMemoryException' was thrown.

Source Error:

[Code]....

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WebMatrix :: Unhandled Exception Occurred During The Execution Of The Current Web Request

Jan 21, 2011

I am following the tutorial on the webmatrix site (http://www.microsoft.com/web/post/web/post/Web-Development-101-Part-6-Creating-an-Add-Data-page). Ifinished creating the AddMovie.cshtml page, but when I try to execute it, I get the following exceptionAn SqlCeParameter with ParameterName '3' is not contained by this SqlCeParameterCollection.Description:An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

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Access :: Update Error / An Unhandled Exception Occurred During The Execution Of The Current Web Request?

Nov 23, 2010

I have built a webform as part of my project that grabs all the data out of a particular table in an Access database on the server. I have allowed the ability to update said table via the DetailsView form however when you change the details and then click on "update" it throws back an error.

No value given for one or more required parameters.
Description:

An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Data.OleDb.OleDbException: No value given for one or more required parameters.

Source Error:

[Code]....

Stack Trace:

[Code]....

I am not sure what has happened but it simply will not allow me to update any data. Here is a copy of the select, update and delete statement.

<asp:AccessDataSource
ID="UserDetails"
runat="server"
ConflictDetection="CompareAllValues"
DataFile="\xxx.xxx.xx.xxDatabaseCSBEDBv1.0_be.mdb"

DeleteCommand="DELETE FROM [tbl_mmstafflist] WHERE [EngID] = ? AND (([EngCode] = ?) OR ([EngCode] IS NULL AND ? IS NULL))
AND (([EngName] = ?) OR ([EngName] IS NULL AND ? IS NULL)) AND (([EmailAddress] = ?) OR ([EmailAddress] IS NULL AND ? IS NULL)) AND (([Ext No] = ?) OR ([Ext No] IS NULL AND ? IS NULL)) AND (([Mobile No] = ?) OR ([Mobile No] IS NULL AND ? IS NULL)) AND (([Home
No] = ?) OR ([Home No] IS NULL AND ? IS NULL)) AND (([Address 1] = ?) OR ([Address 1] IS NULL AND ? IS NULL)) AND (([Address 2] = ?) OR ([Address 2] IS NULL AND ? IS NULL)) AND (([Address 3] = ?) OR ([Address 3] IS NULL AND ? IS NULL)) AND (([Town] = ?) OR
([Town] IS NULL AND ? IS NULL)) AND (([County] = ?) OR ([County] IS NULL AND ? IS NULL)) AND (([Postcode] = ?) OR ([Postcode] IS NULL AND ? IS NULL)) AND (([Other email address] = ?) OR ([Other email address] IS NULL AND ? IS NULL)) AND [Visa card] = ? AND
[Ex staff] = ? AND (([ExternalDirectDialNumber] = ?) OR ([ExternalDirectDialNumber] IS NULL AND ? IS NULL)) AND (([PayrollNumber] = ?) OR ([PayrollNumber] IS NULL AND ? IS NULL)) AND [NeedstoSeekApproval] = ? AND [IsStockController] = ? AND (([Group] = ?)
OR ([Group] IS NULL AND ? IS NULL)) AND (([ContractedWeeklyHours] = ?) OR ([ContractedWeeklyHours] IS NULL AND ? IS NULL)) AND (([Grade] = ?) OR ([Grade] IS NULL AND ? IS NULL)) AND (([IP] = ?) OR ([IP] IS NULL AND ? IS NULL)) AND (([StaffTitle] = ?) OR ([StaffTitle]
IS NULL AND ? IS NULL))"

InsertCommand="INSERT INTO [tbl_mmstafflist] ([EngID], [EngCode], [EngName], [EmailAddress], [Ext No], [Mobile No],
[Home No], [Address 1], [Address 2], [Address 3], [Town], [County], [Postcode], [Other email address], [Visa card], [Ex staff], [ExternalDirectDialNumber], [PayrollNumber], [NeedstoSeekApproval], [IsStockController], [Group], [ContractedWeeklyHours], [Grade],
[IP], [StaffTitle]) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)"

OldValuesParameterFormatString="original_{0}"
SelectCommand="SELECT * FROM [tbl_mmstafflist] where ([EngID] = @EngID)"
UpdateCommand
="UPDATE [tbl_mmstafflist] SET [EngCode] = ?, [EngName] = ?, [EmailAddress] = ?, [Ext No] = ?, [Mobile No] = ?, [Home No] = ?, [Address 1] = ?, [Address 2] = ?, [Address 3] = ?, [Town] = ?, [County]
= ?, [Postcode] = ?, [Other email address] = ?, [Visa card] = ?, [Ex staff] = ?, [ExternalDirectDialNumber] = ?, [PayrollNumber] = ?, [NeedstoSeekApproval] = ?, [IsStockController] = ?, [Group] = ?, [ContractedWeeklyHours] = ?, [Grade] = ?, [IP] = ?, [StaffTitle]
= ? WHERE [EngID] = ? AND (([EngCode] = ?) OR ([EngCode] IS NULL AND ? IS NULL)) AND (([EngName] = ?) OR ([EngName] IS NULL AND ? IS NULL)) AND (([EmailAddress] = ?) OR ([EmailAddress] IS NULL AND ? IS NULL)) AND (([Ext No] = ?) OR ([Ext No] IS NULL AND ?
IS NULL)) AND (([Mobile No] = ?) OR ([Mobile No] IS NULL AND ? IS NULL)) AND (([Home No] = ?) OR ([Home No] IS NULL AND ? IS NULL)) AND (([Address 1] = ?) OR ([Address 1] IS NULL AND ? IS NULL)) AND (([Address 2] = ?) OR ([Address 2] IS NULL AND ? IS NULL))
AND (([Address 3] = ?) OR ([Address 3] IS NULL AND ? IS NULL)) AND (([Town] = ?) OR ([Town] IS NULL AND ? IS NULL)) AND (([County] = ?) OR ([County] IS NULL AND ? IS NULL)) AND (([Postcode] = ?) OR ([Postcode] IS NULL AND ? IS NULL)) AND (([Other email address]
= ?) OR ([Other email address] IS NULL AND ? IS NULL)) AND [Visa card] = ? AND [Ex staff] = ? AND (([ExternalDirectDialNumber] = ?) OR ([ExternalDirectDialNumber] IS NULL AND ? IS NULL)) AND (([PayrollNumber] = ?) OR ([PayrollNumber] IS NULL AND ? IS NULL))
AND [NeedstoSeekApproval] = ? AND [IsStockController] = ? AND (([Group] = ?) OR ([Group] IS NULL AND ? IS NULL)) AND (([ContractedWeeklyHours] = ?) OR ([ContractedWeeklyHours] IS NULL AND ? IS NULL)) AND (([Grade] = ?) OR ([Grade] IS NULL AND ? IS NULL)) AND
(([IP] = ?) OR ([IP] IS NULL AND ? IS NULL)) AND (([StaffTitle] = ?) OR ([StaffTitle] IS NULL AND ? IS NULL))">

<SelectParameters>
<asp:QueryStringParameter
Name="EngID"
QueryStringField="EngID"
Type="Decimal"
/>
</SelectParameters>

The SelectParameter is used because this page is a details page that is selected from a list. I would appreciate any help that you can offer. Unfortunately Access errors are not forth coming with information.

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Access :: Unhandled Exception During Execution Of Current Web Request

Feb 28, 2011

I have a ASP.NET website that is using an access database. In the website on the pages where the data is fetched from the database sometimes it gives the below error. When I delete the .ldb file the website starts working.

Server Error in '/' Application.
Unspecified error
Description:

An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Data.OleDb.OleDbException: Unspecified error

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Forms Data Controls :: Findcontrol In Gridview Error / An Unhandled Exception Occurred During The Execution

May 11, 2010

Object reference not set to an instance of an object.

Description:

An unhandled exception occurred during the execution of the current web request. review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Public Sub btnSave_Click(ByVal sender As Object, ByVal e As System.EventArgs)Line 246: 'Dim thv As GridView = TryCast(Me.FindControl("grd1"), GridView)Line 247: Dim lbltargetdir As Label = TryCast(TryCast(Me.FindControl("grd1"), GridView).FindControl("lblparentpath"), Label)Line 248:Line 249: Directory.CreateDirectory(lbltargetdir.Text.ToString() & nm.Text)

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DataSource Controls :: How To Handle Error Unhandled Exception Occurred During The Execution

May 31, 2010

string connectionstring = WebConfigurationManager.ConnectionStrings["AdventureWorks"].ConnectionString;
SqlConnection con = new SqlConnection(connectionstring);
DataSet ds = new DataSet();
DataRelation dr = new DataRelation("show", ds.Tables["HumanResources.Employee"].Columns["EmployeeID"], ds.Tables["HumanResources.EmployeeAddress"].Columns["EmployeeID"],false);
ds.Relations.Add(dr);
foreach (DataRow row1 in ds.Tables["HumanResources.Employee"].Rows)
{
Response.Write("customertitle:" + row1["Title"].ToString());
foreach (DataRow row2 in row1.GetChildRows(dr))
{
Response.Write("customer add" + row2["ModifiedDate"].ToString());
}
}

Object reference not set to an instance of an object. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.NullReferenceException: Object reference not set to an instance of an object. Source Error:

[Code]....

Line 31: Line 32: DataSet ds = new DataSet();Line 33: DataRelation dr = new DataRelation("show", ds.Tables["HumanResources.Employee"].Columns["EmployeeID"], ds.Tables["HumanResources.EmployeeAddress"].Columns["EmployeeID"],false);Line 34: //ds.Tables["HumanResources.Employee"].ParentRelations.Add(dr);Line 35: ds.Relations.Add(dr);
Source File: d:databaseDataset showing selected
field of 2 tables.aspx.cs Line: 33
Stack Trace:

[Code]....

[NullReferenceException: Object reference not set to an instance of an object.] dataset__with_two_tables.Page_Load(Object sender, EventArgs e) in d:databaseDataset showing selected field of 2 tables.aspx.cs:33 System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +15 System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +33 System.Web.UI.Control.OnLoad(EventArgs e) +99 System.Web.UI.Control.LoadRecursive() +47 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1436

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Web Forms :: Validation Of Viewstate MAC Failed / An Unhandled Exception Occurred

Jul 6, 2010

my error

Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.

Description:

An unhandled exception occurred during the execution of the current web request. review the stack trace for more information about the error and where it originated in the code.

[code]....

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Web Forms :: An Unhandled Exception Of Type 'System.StackOverflowException' Occurred In MyLibrary.DLL

Mar 30, 2010

here`s my problem that i don`t know how to fix it

An unhandled exception of type 'System.StackOverflowException' occurred in libraryBLL.DLL

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ADO.NET :: Event Id 1309 - An Unhandled Exception Has Occurred

Oct 12, 2010

one of the sites hosted on our server is giving this error in event viewer

Event Type: Warning
Event Source: ASP.NET 2.0.50727.0
Event Category: Web Event
Event ID: 1309
Date: 24/06/2008
Time: 17:28:40
User: N/A
Computer:
Description:
Event code: 3005
Event message: An unhandled exception has occurred.
Event time: 24/06/2008 17:28:40
Event time (UTC): 24/06/2008 16:28:40
Event ID: 7addcd74d55746d3b73bf9905eb3edeb
Event sequence: 17
Event occurrence: 6
Event detail code: 0
Application information:
Application domain: /LM/W3SVC/586182382/Root-1-128587971859459234
Trust level: Full
Application Virtual Path: /
Application Path: C:Inetpubconvex_crm
Machine name:
Process information:
Process ID: 6956
Process name: w3wp.exe
Account name: NT AUTHORITYNETWORK SERVICE
Exception information:
Exception type: InvalidOperationException
Exception message: Timeout expired. The timeout period elapsed prior to obtaining a connection from the pool. This may have occurred because all pooled connections were in use and max pool size was reached.
Request information:
Request URL:
Request path: /Default.aspx
User host address: 192.168.23.52
User:
Is authenticated: False
Authentication Type:
Thread account name: NT AUTHORITYNETWORK SERVICE
Thread information:
Thread ID: 1
Thread account name: NT AUTHORITYNETWORK SERVICE
Is impersonating: False
Stack trace: at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection)
at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory)
at System.Data.SqlClient.SqlConnection.Open()
at Utils.GetOne(String query) in c:Inetpubconvex_crmApp_CodeUtils.cs:line 24
at Settings.GetSettings(String keyname) in c:Inetpubconvex_crmApp_CodeSettings.cs:line 17
at _Default.Page_Load(Object sender, EventArgs e) in c:Inetpubconvex_crmDefault.aspx.cs:line 19
at System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e)
at System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e)
at System.Web.UI.Control.OnLoad(EventArgs e)
at System.Web.UI.Control.LoadRecursive()
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

Custom event details: For more information, see Help and Support Center at [URL] the site was developed in ASP.NET 2.0 what might be the problem how to resolve it??

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Unhandled Exception Has Occurred. Unknown Server Tag 'asp:ListView'?

Dec 2, 2010

Suddenly I got this message:

unhandled exception has occurred. unknown server tag 'asp:ListView'

What can be wrong with the project?

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AJAX :: ChatRoom :- An Unhandled Exception Occurred ( Value Cannot Be Null )?

Jan 10, 2011

How can I use ChatRoom With Master page. If Run the Code then Follwing Error generatException Details: System.ArgumentNullException: Value cannot be null.Parameter name: StringSource Error:

[Code]....

Source File: ChatEngine.cs

protected void Page_Load(object sender, EventArgs e)
{
if (Session["UserName"] == null)

[code]...

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Unhandled Exception Occurred In W3wp.exe - Version: 7.5.7600.16385

Mar 8, 2011

I created a webform in 4.0 some users are saying they are getting the above error. I have windowsserver 2008, IIS 7 on it. Does anyone know how can I fix this issue?

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Configuration :: Unhandled Win32 Exception Occurred In W3wp.exe When Run Application From IIS

Dec 20, 2010

an unhandled win32 exception occurred in w3wp.exe error occures when we run .Net application from IIS. My configuration is Windows server 2008, IIS7, .Net 2.0, and Oracle 10g.

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Configuration :: Event Code - 3005 An Unhandled Exception Has Occurred?

Nov 3, 2010

Actually I inherited this project, my job is enhance and debug this project. Just now my manager send me a log file ask me to debug, have no choose, I must settle this problem. according to the log file, I only know this bug occur in my login function,but I test in my local solution it can work well, no problem, it only appearing in live server. so I suspense it was server error, my manager ask me prove him, so any can explain to me what the log file mean? Event code: 3005

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Error Rendering Control - An Unhandled Exception Has Occurred - A Relative URI Cannot Be Created

Jan 12, 2011

I have migrated .NET 1.1 code to .NET 3.5. Getting the following error in the page in design part: "Error Rendering Control- An unhandled exception has occured. A relative URI cannot be created because the 'urIstring' parameter represents an absolute URI. " It is happening for control:

<asp:hyperlink
id="hypPrint"
NavigateUrl="javascript:window.print();"
EnableViewState="False"
runat="server">Print Current Page</asp:hyperlink>
"NavigateUrl" propery is causing this error to occure.

I removed thisand tried, this error goes. But I need NavigateURL for my functionality to work.

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Visual Studio :: An Unhandled Win32 Exception Occurred In Svchost.exe [xxxx]

Mar 19, 2010

I am getting below error after installing VS2005 in my machine. If i open any application/browser then automatically this error popups. An unhandled win32 exception occurred in svchost.exe [xxxx] New instance of Visual Studio 2005. I have seen many post deals with same issue, but couldn't find any solution.

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Access :: An Unhandled Exception (Provider Cannot Be Found It May Not Properly Installed) Occurred In W3wp.exe

Jun 8, 2010

I am getting the error when running the project locally. I think it is not getting the Jet provide in access. Error display in browser as follows. ADODB.Connection error '800a0e7a' Provider cannot be found. It may not be properly installed. /project name/databaseconnect.asp, line 14

I search on the internet and install MDAC,but not help. I am using Windows 7 with IIS7 how can i proceed.I cant be able to work on the project.

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DataSource Controls :: An Unhandled Exception Of Type 'System.InvalidOperationException' Occurred In System.Xml.dll

Jun 8, 2010

An unhandled exception of type 'System.InvalidOperationException' occurred in System.Xml.dll

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C# - Event Log Has An Error. "An Unhandled Exception Has Occurred"

Oct 19, 2010

I am using Visual Studio 2005 and IIS 6.0.. I have this warning in the event log. I am trying to find what it is. I have never went through this exception when i am working. What can be done and where can be done to not get the exception warning again.

Event code: 3005
Event message: An unhandled exception has occurred.
Event time: 10/13/2010 3:20:26 PM
Event time (UTC): 10/13/2010 7:20:26 PM
Event ID: fba7eb72412b4383a4c94bfcfd5c81a1

[Code]....

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DataSource Controls :: Getting Exception / An Exception Occurred While Executing A Transact-SQL Statement Or Batch

Jan 1, 2010

i need to restore Database.mdf; I create a blank new database exactly the same name as the .mdf file. However, I could not restore the database.

The error message prompted was:

TITLE: Microsoft SQL Server Management Studio Express

An exception occurred while executing a Transact-SQL statement or batch.

(Microsoft.SqlServer.Express.ConnectionInfo)

ADDITIONAL INFORMATION:

Cannot open backup device 'C:inetpubwwwrootTCPSystemApp_DataDatabase.mdf'. Operating system error 32(error not found).

RESTORE HEADERONLY is terminating abnormally. (Microsoft SQL Server, Error: 3201)

click: [URL]

BUTTONS:

OK

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Web Forms :: NullReference Exception Unhandled By User Code?

Mar 18, 2011

I'm working on having two forms that communicate together. In order to do this, I am passing public value from the source page. Here's how I did it:

In the source page I have:

Public ReadOnly Property CurrentCity() As String
Get
Return txtboxfake.Text
End Get
End Property
Then under page_load of the page I have:
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
txtteam.Text = PreviousPage.CurrentCity
txtboxdate.Text = Calendar1.SelectedDate
End Sub

For some reason I keep getting an error that says "NullReference exception unhandled by user code" that points to txtteam.text = PreviousPage.CurrentCity.

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