Value Of Type 'System.Linq.IQueryable(Of Date?)' Cannot Be Converted To 'Date'

Dec 6, 2011

I'm trying to get datetime value but here is issue with nullable datetype.

Public Function GetDate(ByVal kodg As Integer) As DateTime
Dim g = From dt In db.xDates _
Join f In db.xGrafiks On dt.КодД Equals f.DateKod _

[Code]....

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Value Of Type 'System.Linq.IQueryable(Of Integer)' Cannot Be Converted To Integer?

Aug 11, 2011

I am new to EF Linq and I have been struggling with this query for a few days. From reading this forum, I have managed to get this far:

Dim noPic = (From f In myEntities.FriendLists
Where (f.UserID = Profile.ID)
Select f.FriendID).Except(From g In myEntities.GuestLists
Where g.EventID = _id
Select g.FriendID)

[Code]...

I am trying to get everybody from the FriendList who is not already on the GuestList to display in a Repeater control. After reading the forum I was able to append .First() to noPic at the myNoPic declaration and finally get a result but that only gave me the first element. Does anybody have any advice on how to accomplish this?

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Value Of Type 'Date' Cannot Be Converted To 'System.TimeSpan'

Feb 10, 2010

I need to take 6 user entered dates and compare them to a date pulled from a database & stored in a variable. If greater than 6 weeks, then some action needs to take place.When writing the code, I get the following message (before compilation). Value of type 'Date' cannot be converted to 'System.TimeSpan'. [code] Within my code the 'dt' in the line above is underlined with the error message appearing on mouseover. I have tried using CType, as in dt = CType(Session("dt_occurence"), DateTime) in the hopes that might work, but it doesn't do it.

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Adding Time - Get Value Of Type 'Date' Cannot Be Converted To 'System.TimeSpan'

Jan 13, 2010

why did they make this so hard to do. Does anyone have any clear cut, basic 3-4 lines of code that can tell me how to add 2 time variables together to create a 3rd variable? I tried this but on Time2 I get Value of type 'Date' cannot be converted to 'System.TimeSpan'.

[Code]...

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Convert An Object System.Data.Linq.DataQuery To System.Linq.IQueryable?

Oct 21, 2009

How can I convert an object of type System.Data.Linq.DataQuery to System.Linq.IQueryable?I'm working with Visual Basic/Silverlight, and the source code of my query is as follows:

Public Function Get_Cli_Pag() As IQueryable(Of V_Cliente_Pagare)
Dim Qry = From P In Me.Context.Pagares Join C In Me.Context.Codigos On C.Codigo

[code]....

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Value Of Type 'Date' Cannot Be Converted To Integer

Oct 10, 2010

I have declared dob as date and the following code is to to call SQL server stored procedure but i cannot compile code because of error message (Value of Type 'Date' cannot be converted to integer).[code]

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Argument 'Date1' Cannot Be Converted To Type 'Date'

Sep 30, 2011

Why when I press button without enter the data to one of the field I got:

Argument 'Date1' cannot be converted to type 'Date'.[code]...

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Sql - Linq - Value Of Type 'System.Guid' Cannot Be Converted To 'String'

Mar 10, 2011

I'm using Linqer to convert SQL to Linq: Update EmployeeSite SET SiteId = Null

[Code]....

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Set The System Date Of A Workstation Based On The System Date Of The Server?

Dec 13, 2009

i want to set the system date of my a client pc based on the system date where the sql server reside.In short i want to sysncronize the date between the client and server.I have a working code in vb6 but i dont know how to do it in vb 2008.

dim RstDate As ADODB.Recordset
Set RstDate = New ADODB.Recordset
RstDate.Open "SELECT GETDATE() as ServerDate ", CnAP

[code]....

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Data Type Is A Nullable Date That Returns A String Value If Date Was Supplied?

Mar 11, 2010

I am currently working on a custom data type, and wanted to implement a = operator.

I data type is a nullable date that returns a string value if date was supplied.

I want to allow the variable to be set like this

Dim nd as New NullableDate nd = Today Does anyone know how this can be done, or can anyone point me in the right direction?

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Write A Program Which Compares The Difference Between Any Date In The Past And The System Date?

Mar 6, 2009

I'm trying to write a program which compares the difference between any date in the past and the system date, showing how many days have elapsed since that date.This is what I've got so far:

Code:
Public Class Form1
Private Sub TextBox2_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs)
End Sub

[code]....

That's what it looks like so far. I was wondering how you can automate the top label so it automatically comes up with the date when the program is run.Plus, I need to know how to display the dates difference (how many days have elapsed between the system date and the user's chosen date) in the bottom label.

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Compare The Modify Date Of A File Vs The Current System Date?

Oct 22, 2008

I'm trying to compare the modify date of a file vs the current system date. I've found an MSDN article describing how to get the modify time of a file:

Dim infoReader As System.IO.FileInfo
infoReader = My.Computer.FileSystem.GetFileInfo("C: estfile.txt")
MsgBox("File was last modified on " & infoReader.LastWriteTime)

This gest the Date and Time, but I want just the Date not the time.

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Get System Date And Add Some Day Or Month Or Year Then Want Next Date As Per Requirement?

Jun 22, 2010

when i get system date and add some day or month or year then i want next date as per requirement.

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Validate If The Date Is Greater Than System Date?

Apr 10, 2011

i have date fields i want to validate if the date is greater than system date it should prompt user and force user to enter a correct date. but when the user wants to cancel or close that particular form without correcting the date he should be able to cancel the form. in my case it does not happen you will have enter the correct date before you can even cancel when i use Lostfocu,Leave,Changevalue

what can i do sample code below

Private Sub dtMarried_LostFocus(ByVal sender As Object, ByVal e As System.EventArgs) Handles dtMarried.LostFocus
If fn_checkdate(Me.dtMarried.Value) = True Then

[Code].....

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Value Of Type 'System.Windows.Forms.WebBrowser' Cannot Be Converted To 'System.Window

Jan 23, 2010

Private Sub wb_Scrape(ByVal sender As System.Object, ByVal e As

[Code]...

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String Value Can Not Be Converted To A Date

Apr 16, 2012

I have a web form that uses an Ajax date calendar.This works fine.The problem that i have is that when i submit my form i get the following message.'String value can not be converted to a date' .AgendaDate = New SmartDate(txtAgendaDate.Text)[code]I understand that its telling me that the string value cannot be convered to a date but i dont know hoe to resolve this as i am new to .net 2010?

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Comparing Date : Conversion From String "23/06/2011" To Type 'Date' Is Not Valid

Mar 25, 2011

when i am trying this Date.Compare(Format(DateTimePicker1.Value.Date, "dd/MM/yyyy"), Convert.ToDateTime(dr(1))) < 0 it gives an error message as "Conversion from string "23/06/2011" to type 'Date' is not valid."where dr(1) is database field in text format as 29/3/2011 (dd/mm/yyyy) .

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SQL Exception On Insert Of Dateandtimepicker.value.date Into Date Datatype: (Conversion Failed When Converting Date And/or Time From Character String)

Apr 8, 2010

Title pretty much says it all. How do I format the date of a dateandtimepicker to insert it into the SQL date datatype?

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LINQ To SQL: Unable To Cast Object Of Type 'System.Guid' To Type 'System.String'

Nov 15, 2011

I am getting a really bizarre error and it makes no sense at all.Basically I have a user entity which has a Password property. This property is of Type Binary, the server data type being Binary(512).I am reading this value in and converting it to a byte array. However whenever I run my code I am getting a completely unrelated error of Unable to cast object of type 'System.Guid' to type 'System.String'.This strikes me as very odd since I am not using a property or variable of type string or GUID anywhere in this procedure where it falls over.

The code is below:

Public Shared Function ValidateUser(ByVal username As String, ByVal password As String) As UserValidationMessage
Using db As New EntityMapDataContext
Dim u = From user In db.Users
Where user.Username = username

[code]....

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VS 2005 Make Date Format Independent Of System Date Format

Apr 16, 2009

I am working on a project inwhich I want same date format in all project forms. I want to use a form for setting/resetting date format for whole project. whenever I will change date format in this settings form, there should be this new date format available in all forms. how can I implement this?

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Date After Clean Install Error "Conversion From String "13/8/2009" To Type Date Is Not Valid"

Aug 15, 2009

I did a clean install and tried to get the project running again. The code ... AlteredDate = SelectedDay & "/" & SelectedMonth & "/" & SelectedYear would always work defaulting to DD/MM/YYYY before the clean install. The program now runs an error "Conversion from string "13/8/2009" to type Date is not valid.. How do I change the default back to DD MM YYYY or format it to that?

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.NET: Value Of Type 'Integer' Cannot Be Converted To 'System.Array'

Nov 11, 2011

In the below code I am getting the following error on line If (Not hash.Add(Numbers(Num))) Then Value of Type 'Integer' cannot be converted to 'System.Array'.

Module Module1
Sub Main()
Dim array() As Integer = {5, 10, 12, 8, 8, 14}
' Pass array as argument.

[code].....

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Value Of Type Double Cannot Be Converted To System.event

Jul 1, 2012

i keep getting this error message ?

Public Class Form7
Dim e As Double
Dim p As Integer

[code]....

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Date Format - It Gives Me Error As "Cast From String "28/01/2011" To Type 'Date' Is Not Valid"?

Nov 30, 2010

conversion of date

if i used -- Date.parse("28/01/2011")

it gives me error as "String was not recognized as a valid DateTime."

so then i modify above code as -- CDate("28/01/2011").it gives me error as "Cast from string "28/01/2011" to type 'Date' is not valid." I used convert.todatetime also date.parseexact but nothing is working..

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Treeview Node "Error 1 Value Of Type 'System.Windows.Forms.TreeNode' Cannot Be Converted To 'System.IO.SearchOption'"

Jan 17, 2011

[Code]...

there is one problem here the root node on the line "GetDirectories(info.GetDirectories(0, rootNode))" here is the error "Error 1 Value of type 'System.Windows.Forms.TreeNode' cannot be converted to 'System.IO.SearchOption'."

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Asp.net - Value Of Type 'System.Collections.ArrayList' Cannot Be Converted To 'System.Collections.Generic.List(Of ITextSharp.text.IElement)'

Sep 21, 2011

I'm having a problem with this code in the highlighted line(*); getting the error in the heading.

Dim htmlarraylist As New List(Of iTextSharp.text.IElement)
htmlarraylist = *HTMLWorker.ParseToList(New StreamReader(tempFile), New StyleSheet())*

[Code].....

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Value Of Type 'cfeedback' Cannot Be Converted To 'system.collections.arraylist'

Jan 10, 2012

Firstly, i have a grdData at my main page. After choosing the data i want and went to another page using

[Code]...

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Value Of Type 'Integer' Cannot Be Converted To 'System.Drawing.Color'?

Oct 31, 2010

Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Me.BackColor = RGB(Rnd() * 255, Rnd() * 255, Rnd() * 255)
End Sub

then i see this error:Value of type 'Integer' cannot be converted to 'System.Drawing.Color'

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Value Of Type System Drawing Image Cannot Be Converted To Integer

Nov 26, 2010

When I try and compile code in vb.net 2008 I get an error that says "value of type 'system.drawing.image' cannot be converted to integer. The error happens at piccolor.image
GetDIBits(Form1.PictureBox1.Handle,
picColor.Image , _
0, Form1.PictureBox1.Height, pixels(1, 1, 1), _
bitmap_info, DIB_RGB_COLORS)

Here's the code that explains what piccolor.image is, it's a picturebox on form1 that has an image
readpic(Form1.PictureBox1)
Public Function readpic(ByVal picColor As PictureBox)
GetDIBits(Form1.PictureBox1.Handle,
picColor.Image , _
0, Form1.PictureBox1.Height, pixels(1, 1, 1), _
[Code] .....

And Imports System.Runtime.InteropServices is on the top of the module, if u need more code then let me know. Also I wonder if there is a way to bitblt directly to a pixel array.

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VS 2008 Value Of Type 'String' Cannot Be Converted To 'System.Net.IPAddress'

Dec 3, 2009

listener = New Net.Sockets.TcpListener("127.0.0.1", 32111)

Value of type 'String' cannot be converted to 'System.Net.IPAddress'.

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