Cannot Implicitly Convert Type 'decimal' To 'int'. An Explicit Conversion Exists (are You Missing A Cast?)

Jul 12, 2011

I am calling a GetSerialNo function But it showing some error like:

Cannot implicitly convert type 'decimal' to 'int'. An explicit conversion exists (are you missing a cast?).

Here is the code:

CODE:

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Cannot Implicitly Convert Type 'decimal' To 'int'. An Explicit Conversion Exists?

Mar 7, 2009

Cannot implicitly convert type 'decimal' to 'int'. An explicit conversion exists

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Explicit Conversion - Convert The Variable D From Double Type To Integer Type And Store The Result As 132

Oct 22, 2009

I want to use explicit conversion (CType function in VB.NET) to convert the variable d from double type to integer type and store the result as 132.

Imports System.Console
Module Module1

Sub Main()

[CODE]...

This is my code. But Visual Basic tells me an error: Error1Type 'i' is not defined.C:\Users\mihaispr\Desktop\Conversie explicita\Conversie explicita\Module1.vb1922Conversie explicita

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.net - Dim X As Decimal = 100.0m Do A Cast From Double To Decimal Implicitly?

Mar 30, 2011

If I have the code:Dim x as Decimal = 100.0m

Is it casting from a double to a decimal implicitly. How would I do this explicitly in vb.net?

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Explicit Conversion From UDT(User Defined Type) To String Type?

Jul 22, 2010

Following is my code. Private Structure DISPLAY_ELEMENT_TYPE

[Code]...

Actually this is vb6 to .net converted code. I m getting compile error at following line

temp = Lset(DispElem(i)) bcz Lset is not supported in .Net Lset accept string data type for first parameter and interger for second.If you know any alternet solution or if you have any source code for Explicit convert UDT to string type and vice versa.

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Error Message "Cannot Implicitly Convert Type 'System.TimeZone' To 'int'"

Sep 18, 2009

VB Code:

Private Sub MDIForm_Load()
Dim tzinfo As TIME_ZONE_INFORMATION
Dim lResult As Long

[Code]...

Error Message "Cannot implicitly convert type 'System.TimeZone' to 'int'"

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Conversion From Type 'DBNull' To Type 'Decimal' Is Not Valid When Field Has Data?

Feb 7, 2012

I am pulling data from a local MSSQL database using a stored procedure, then send the data to a web service. Every part of the component works well except for a pesky problem will a DBNull being returned from the DataRow field, when I know that the field is not null and has valid data. The database and associated INSERT statements that add to this field are designed to not allow NULL entries. When I debug break the program on or right before the line that throws the error I see that the field has valid data for the current row.If I add a null check to the code (as below) the operation continues as normal:

Dim dataResultsTable = Me.myViewTableAdapter.GetData(int)
For Each myDataRow In dataResultsTable.Rows
If worker.CancellationPending Then

[code]....

Why is the read operation returning DBNull instead of the data in the database?

EDIT: Just to be clear, the operation does return the proper data, but the data is not being saved into the variable.

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Conversion Using CDec From String To Type 'Decimal' Is Not Valid?

Jan 28, 2010

Please excuse the newbie question as I started learning VB last week . I wrote the following test code below to add two values entered in two textboxes and display it in another textbox. However I keep getting the exception. "Conversion from string "" to type 'Decimal' is not valid" with the code below and I cannot figure out why . I thought converting using 'CDec' resolves this issue ?

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VS 2005 Conversion From String To Type Decimal Is Not Valid?

Jun 22, 2010

I have a xml node, which can be shown in immediate window as

?Me.SelectSingleNode("./FloatAmount").InnerText
"100.00"
?typename(Me.SelectSingleNode("./FloatAmount").InnerText)
"String"

However, I want to return a decimal value.

?cdec(Me.SelectSingleNode("./FloatAmount").InnerText)
Run-time exception thrown : System.InvalidCastException - Conversion from string "100.00" to type 'Decimal' is not valid.

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Invalid Cast Exception Was Unhandled - Unable To Cast Object Of Type 'System.String' To Type 'System.Windows.Forms.TextBox'

Feb 9, 2012

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

[code]....

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Custom Implicit/Explicit Conversion In 2003?

Aug 16, 2005

would like to define some custom Implicit conversion function within my VB class. How can i do that. I have seen samples in C# but not in VB

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Convert To A Long Type And Maintain The Decimal Places?

Aug 18, 2011

I have a variable containing a double type eg, 56.3433253. I want to convert it to a long type and maintain the decimal places.

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Conversion From String "" To Type 'Decimal' Is Not Valid?

Feb 18, 2011

I get this error: Conversion from string "" to type 'Decimal' is not valid. Here is where the error is happening please help? decLarborCharge = CDec(txtLaborCharge.Text)and here is the whole function that i have it in: Function OtherCharges() AsDecimal ' This function returns the cost of labor and parts. Dim decLarborCharge AsDecimal decLarborCharge = CDec(txtLaborCharge.Text) Return decLarborCharge EndFunction

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Card Game - "Invalid Cast Exception Was Unhandled" "Conversion From String "" To Type 'Double' Is Not Valid

Aug 12, 2010

I'm trying to make a card game where the user chooses either Clubs, Hearts, Spades, Diamonds or Joker and then the computer randomly chooses a card to counter and then depending on the formula of what beats what the scores are tallied.

Here is the:

Public Class Form1

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

[CODE]...

Now I pick a card and the computer picks a card and it displays the winner but then immediately it sends me to the coding highlighting lblcomp.text += Val(0.5,1, or 4) saying "Invalid Cast Exception was Unhandled" "Conversion from string "" to type 'Double' is not valid.

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Asp.net - Unable To Cast Object Of Type 'ASP.webform1_aspx' To Type 'System.Web.UI.WebControls.Button'

Jan 28, 2012

when view in browser, i got this error: Unable to cast object of type 'ASP.webform1_aspx' to type 'System.Web.UI.WebControls.Button'.

how should i solve this problem?

Line 7: If Not Page.IsPostBack Then
Line 8: Dim rowIndex As Integer = 0
<b>Line 9: Dim btn As Button = DirectCast(sender, Button)</b>

[Code].....

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Unable To Cast Object Of Type 'ADODB.InternalField' To Type 'System.String

Apr 19, 2010

I had write code (just for learning), the codes :

dim Temp as string
Temp = Recordset("
Table_Field")

but, when I start Debugging the error messages "Unable to cast object of type 'ADODB.InternalField' to type 'System.String"

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Unable To Cast Object Of Type 'IMAPI2FS.FsiStreamClass' To Type 'IMAPI2.IStream'

Apr 13, 2011

I am implementing IMAPI2 into my vb.net project but ran into a wall. I am getting the message Unable to cast object of type 'IMAPI2FS.FsiStreamClass' to type 'IMAPI2.IStream' when trying to start the burn. I googled around and found this is something that microsoft hasn't fixed.. which basically renders IMAPI2 useless in vb.net.

I found a post on codeproject.com by eric hadden who combined the IMAPI2.dll and IMAPI2fs.dll into an c# interop file. I also see the IBURN interop in microsoft SDK samples. I'd like to use either, but it's in c# and I'm using vb express. Does anyone know a way to get the interop into visual basic or a way around "Unable to cast object of type 'IMAPI2FS.FsiStreamClass' to type 'IMAPI2.IStream'"?

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Unable To Cast Object Of Type 'System.IO.FileStream' To Type 'Excel.Application'

Jun 1, 2009

I'm having a problem with converting from one source type to a destination type. I have a form with 2 buttons (button 2 uses the OpenFileDialog to have the user open an excel file set to NewFile),(button 1 takes the contents from specific cells in NewFile and arranges them how I need into oXLApp1).

The error I get is "Unable to cast object of type 'System.IO.FileStream' to type 'Excel.Application'." in line 14 of the code below.

Public Class Form1
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click

[Code]....

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Unable To Cast Object Of Type 'System.String' To Type 'ADODB.Connection'

Mar 19, 2009

I'm new to VB 2005, the code below is actualy coded from VB 6 and just converted it to VB 2005. I'm having trouble with line that's on bold letters.In VB 6 this works just ok. By the way the error message is "Unable to cast object of type 'System.String' to type 'ADODB.Connection'." [code]

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Error : Unable To Cast Object Of Type 'ClassA' To Type 'ClassB'

May 24, 2011

I can't cast my objects. I get: "Unable to cast object of type 'ClassA' to type 'ClassB'".

The service Class:

Public Class svc_Insp
Implements Isvc_Insp
Public Function Test(ByVal pm_income As ClassC) As String Implements Isvc_Insp.Test

[code]....

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System.InvalidCastException: Cast From Type 'DBNull' To Type 'Integer' Is Not Valid?

Mar 8, 2009

Could anyone assist me in solving my problem ? My code was written in VB (VS 2003.)I got this error: System.InvalidCastException: Cast from type 'DBNull' to type 'Integer' is not valid. in my code.Here is the code line where I am getting the error: LeadCampusID = CInt(.Item("mkCampusID"))I fixed the error by making the changes in the code as :

If Not IsDBNull(.Item("mkCampusID")) Then
LeadCampusID = CInt(.Item("mkCampusID"))
Else

[code].....

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Unable To Cast COM Object Of Type 'System.__ComObject' To Class Type?

May 14, 2009

Unable to cast COM object of type 'System.__ComObject' to class type 'rjsDocMan.Folder'.Instances of types that represent COM components cannot be cast to types that do not represent COM components; however they can be cast to interfaces as long as the underlying COM component supports QueryInterface calls for the IID of the interface.The code where it is flagging the error is:

<div style="color: Black; background-color: White;">
treeview += AddChildren(Session("DocMan").RootFolder)
</div>

[code].....

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Unable To Cast Object Of Type 'SZArrayEnumerator' To Type 'WindowsApplication1.myEnumerator'

Dec 18, 2009

I saw this thread and I had simple answer in mind. To use custom enumerator class. So I was trying to make one for that guy, which would have one more property to check whether its has reached end or not. It would also provide current position.I'm getting an error "Unable to cast object of type 'SZArrayEnumerator' to type 'WindowsApplication1.myEnumerator'." at the line 6 [see below].However, return type of values.getEnumerator says its IEnumerator. [code]

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Unable To Cast Object Of Type .objectquery To Type Generic.list

Sep 12, 2011

I have a question about ASP.Net, visual basic I have 2 LINQ query's, the first one works, the second one doesnt, produces a

"Unable to cast object of type 'System.Data.Objects.ObjectQuery'1[SelmaV2.Products]' to type 'System.Collections.Generic.List'1[System.String]'.

[Code]....

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Unable To Cast Object Of Type X To Type X On Setting DataSource To A Table?

Feb 19, 2012

Columns 0 & 1 are filled from a DataAdapter from Access Database and three are added. I had this working, but I changed it to check for the column "Feed" so I could add several Locations. At first this worked,but I did someething in perfecting it and it now fails after filling the first row of the datagridview (dgvFdMed).I ran a check and the table LotsTab has 8 rows filled. Column 1 & 2 are strings and the database appears they are fine. The added columns have just been created with no value. My plan is to enter the values and then use the data from the grid.

Private Sub sfillGrid(ByVal Loc As String)
Dim i As Integer
Dim column As DataGridViewColumn

[code]....

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VS 2008 Unable To Cast Object Of Type FrmChild1 To Type FrmChild2

Dec 8, 2010

I have 2 Child forms inside a parent. For example, FrmChild1 contains a "Friend Sub" I wish to call.I would like one of the child forms to call that sub from another child form (we will call it FrmChild2. The following code works, but when it's done going through the "For Each", I get a "Invalid Cast"

' THIS CODE IS IN FrmChild1
For Each mFrmChild2 As FrmChild2 In FrmParent.MdiChildren
mFrmChild2.GuestRefresh(False)
Next

Error after calls are made:"Unable to cast object of type FrmChild1 to type FrmChild2.

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Error - Unable To Cast Object Of Type 'AbstractListlistIterator' To Type 'System.Collections.IEnumerator

Dec 22, 2010

I have a series of API calls that are returning J# data types. I have been able to convert most of the data types (Integer, Boolean, Double, Float, etc) just fine.What I need to do now is convert a java.Util.Collection to a VB .NET collection (ArrayList)

Here is my attempt:

Public Function MakeDotNETCollection(ByVal javaCol As java.util.Collection) As Collection
Dim dotNetCol As Collection

[code]....

I keep getting a runtime error "Unable to cast object of type 'AbstractListlistIterator' to type 'System.Collections.IEnumerator.

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Unable To Cast COM Object Of Type 'System.__ComObject' To Interface Type 'MSTSCLib.IMsTscNonScriptable?

Jun 1, 2012

I am building a software which will be used to create a remote desktop connection. However I'm getting this error:

Unable to cast COM object of type 'System.__ComObject' to interface type 'MSTSCLib.IMsTscNonScriptable'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{C1E6743A-41C1-4A74-832A-0DD06C1C7A0E}' failed
due to the following error: Δεν υποστηρίζεται τέτοια διασύνδεση (Exception from HRESULT: 0x80004002 E_NOINTERFACE)).

[Code]...

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VS 2008 : Error - Unable To Cast Object Of Type 'ObjectCollection' To Type 'System.Array'

Feb 24, 2012

I am using a background worker and am attempting to use the following code. However I keep getting this error on i "Unable to cast object of type 'ObjectCollection' to type 'System.Array'."

Private Sub btnVerify_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnVerify.Click
myArray = listProxies.Items()
BackgroundWorker1.RunWorkerAsync()
End Sub

[code]....

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Conversion Error On Line 5 Stating 'Conversion From String 'S' To Type 'Double' Is Not Valid

Apr 8, 2009

a user will enter a number, n, which ranges from 1 to 30. they will also enter a "P" or an "S" (sum or product). depending on which was selected, it will calculate the sum or product of the numbers from 1 to n.i'm having a conversion error on line 5 stating "Conversion from string "S" to type 'Double' is not valid." [code]

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