Operator '&' Is Not Defined For Type 'String()' An?

Mar 29, 2012

Dim ip_list, ipa, ipb, ip_start, ip_block, ip_end
Dim Response = Nothing
Dim SubNetMask

[code].....

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Operator = Is Not Defined For Type String And Dbnull

Oct 9, 2010

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim connectionString As String
Dim cnn As OleDbConnection
Dim adptr As OleDbDataAdapter

[code].....

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Operator '&' Is Not Defined For Types 'System.Type' And String'

Jan 14, 2010

I am trying to concate string and system.type using operator & in VB and i am getting error :

[Code]...

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String Concatenation In VIsual Basic 2005 - Operator '+' Is Not Defined For String " " And Type 'Range'

Jul 30, 2011

The intent of the code is to open an xls file -minimize it , search for keywords . there are columns like test case name ,priority(simple ,medium and high) with associated keywords.If keywords are found, it shld save the test case name - Priority in a text box. When i run this code i am getting err in

[Code]....

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Error - Operator '=' Is Not Defined For Type 'DBNull' And String "test"

Feb 23, 2010

I have the following query

Dim get_rmf_2 = From rmf In t_rmf _
Where rmf!NIVP = nivp_rap

When i run it i get an error :

Operator '=' is not defined for type 'DBNull' and string "test".

I suspect this is because the column "NIVP" in the datatable contains null values, I've tried yhe same thing without null values and it works.So how can i make this work ? ; the column "NIVP" really has a row "test" , and a normal SQL query works fine.

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Error: Operator '&' Is Not Defined For String " UPDATE BALANCE SET OBBALANCE = " And Type 'DataRowView'

Mar 22, 2011

Here textbox11 contains a float value and combo box contains a string do i have to put text or selected item

cmd.CommandType = "UPDATE BALANCE SET OBBALANCE = '"& TextBox11.Text &"' WHERE CUSTOMERNAME = "& ComboBox1.Text & " "

It gives the following error: Operator '&' is not defined for string " UPDATE BALANCE SET OBBALANCE = " and type 'DataRowView'.

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Error: Operator '=' Is Not Defined For Type 'FileInfo' And Type 'Boolean'

Aug 19, 2010

This is my

[Code]...

This is my error: Operator '=' is not defined for type 'FileInfo' and type 'Boolean'.

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VS 2005 - Operator 'And' Is Not Defined For Type 'Color' And Type 'Integer'

Jun 10, 2009

Public Pixels(0 To 95, 0 To 127) As Variant Red = Pixels(X, Y) And &HFF i get this code from VB6, and when i transfer to VB05 i got problem said " Operator 'And' is not defined for type 'Color' and type 'Integer'. " i sent to VS2005

Public Pixels(0 To 95, 0 To 127) As Object
Dim red As Object
Red = Pixels(X, Y) And &HFF

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Operator '=' Is Not Defined For Type 'Char' And Type 'Boolean'

Apr 16, 2009

In my application when i click the button i'm getting this" Operator '=' is not defined for type 'Char' and type 'Boolean'." But when i test it locally there is no problem at all!

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Operator '=' Is Not Defined ... For A Variable And Object Of THE SAME TYPE?

May 5, 2011

Okay, I am TOTALLY confused here. I have a class... say MyClass. It has several properties of another class of my type, say MyHelperClass (along with other properties).

I am doing the following:
Dim inst As MyClass = New MyClass() With {
.p1 = sv1,

[code].....

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Operator Not Defined For Type DBNull And Boolean

Jul 13, 2009

I have this little problem :Operator '=' is not defined for type 'DBNull' and type 'Boolean'. This the code:
For i As Int32 = Me.DataGridViewSearch.Rows.Count - 1 To 0 Step i - 1
If DataGridViewSearch.Rows(i).Cells(6).Selected = True Then
Try
What I am trying to do is to loop threw a datagrid and find the checkboces that are checked.

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SQL Query - Operator & Is Not Defined By Type GUID

Apr 20, 2011

I've got a problem in one of my SQL queries, the type GUID can't be used with the operator & (obviously from the title). Here's the few lines of code which I'm using:

Dim ClientsAssetID As Guid = New Guid(ClientsAssetIDTextBox.Text)
Dim Client1 As Guid = New Guid(Client1TextBox.Text)
Dim Client2 As Guid = New Guid(Client2TextBox.Text)

[code]....

ClientsAsset, Client1, Client2 and Client3 are all of type GUID, but are entered into the textboxes as strings, are converted to guid and then should all go smoothly into the query, but it's having a problem with linking everything together. The error I'm
getting is "Operator '&' is not defined for types 'String' and 'System.Guid'.How do I fix this? I've tried a few different things, such as using Ctype in the query, but they have also circled back to this error.

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Operator '+' Is Not Defined For Types 'Client' And 'String'

Oct 20, 2009

I am working on a site that I would like to pass information from one page to another. For some reason I keep getting the above error.

//Code
Partial Class Customer
Inherits System.Web.UI.Page

[Code].....

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Operator '+' Is Not Defined For Types 'Client' And 'String'?

Feb 10, 2010

I am working on a site that I would like to pass information from one page to another. I'm new to asp.net but not other languages, I'm just trying to learn some stuff. For some reason I keep getting the above error. The code I am using looks real similar to the code in the Murach book I am looking at

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{"Operator '=' Is Not Defined For Type 'DBNull' And Type 'Double'."}?

Jan 12, 2009

when a user inputs a value into a text box, i am searching that value in my dataset.although the number that i entered is in my dataset, i am getting this excemption.

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Operator '&' Is Not Defined For Types 'String' And 'System.Guid'

Jun 22, 2010

I have a problem with Operator '&' someone may with this problem.

[Code]...

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Operator '&' Is Not Defined For Types 'String' And '1-dimensional Array Of Byte'

Feb 15, 2012

i try to put picture in mysql with vb.net, first i convert with this function : [code] i try to use that function for storing picture to mysql database : INSERT INTO myImage (image) VALUES ('" & convertImage(PictureBox1.image) & "');and then i have this error : Operator '&' is not defined for types 'String' and '1-dimensional array of Byte'i create a table (myImage) with image field (LongBlob)

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Error 1 Operator '&' Is Not Defined For Types 'String' And 'System.Xml.Linq.XElement'

May 17, 2012

i am downloading data from xml using linq library those data i want to add them on a textblock item

TextBlock1.Text = TextBlock1.Text & result

but it has an error :

Error 1 Operator '&' is not defined for types 'String' and 'System.Xml.Linq.XElement'.

When i am changing this line to :

TextBlock1.Text = TextBlock1.Text & result.Tostring

it works but it adds this data :

"<"data> data <"/data>

instead of :

hello

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Error Message : Operator '&' Is Not Defined For Types 'String' And '1-dimensional Array Of Byte'

Apr 26, 2010

I am having a problem in the following codes

Problem in "'" & rawData & "'")"

Error Message Operator '&' is not defined for types 'String' and '1-dimensional array of Byte'.

Complete Coding:

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim fileSize As Integer
Dim rawData() As Byte

[code]....

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VS 2008 Error 1 Operator '&' Is Not Defined For Types 'String' And 'System.Windows.Forms.Comb?

Sep 2, 2009

with this code dont know wht its not working source = wc.DownloadString(String.Format("http://" & cboHSearch & "/cse?cx=013269018370076798483:gg7jrrhpsy4&cof=FORID:1&q=" + cboEngine.Text + "&sa=Search", Me.cboEngine.Text.Replace(" "c, "+"c), resultCounter))

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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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Operand & Is Not Defined For Type String And System.windows.forms.label

Feb 27, 2012

bases is a variable and outs is a label with a number in it. Gives an error --- operand & is not defined for type string and system.windows.forms.label Bases="ooo" and I want to
append a 0 or a 1 or a 2 to get "ooo2" for example.

[Code]...

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Operator '&' Is Not Defined?

Feb 15, 2009

Error1Operator '&' is not defined for types 'String' and 'System.Exception'.L:\Programming\thingy\Mail.vb3720thingy

not much else i can think to add here but it's making it hard to work...i'm using it like...

Dim Temp As String = "Hello" & vbCrLf & "Hi Again"

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Operator '+' Not Defined

May 16, 2010

I'm having an error on the red font ...it says operator '+' not defined for type dbnull and type dbnull [code]...

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Error : Operator '+' Is Not Defined

Nov 9, 2011

I have an other problem with ExecuteScalar It throws exception on this line

txtiiid.Text = com.ExecuteScalar + 1

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VS 2008 Operator Is Not Defined?

Jul 16, 2010

I have this code

Public Shared Function IsEntryCDRM(bigfile000Name As String, entry As BigfileEntry) As Boolean
If entry.length < 4 Then

[Code].....

Operator '+' is not defined for types 'Char' and 'Integer'

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'User Defined Type Not Defined' When Trying To Define A New 'process'

Dec 29, 2011

I am trying to redirect command line output to a list box in a vba macro, and I've found some code that I think might point me in the right direction, but I keep on getting the same error. When I use this code [code]It gives me the error in the title and highlights the first declaration line.What does it take to define a new "process".

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Error: Option Strict On Disallows Operands Of Type Object For Operator '='. Use The 'Is' Operator To Test For Object Identity

Jan 27, 2010

I am tightening up my coding with the Option Strict set to ON. It has now produced alot of errors. An example of this is:

If AllocatedDGV.Rows(i).Cells("RoomNumber").Value = RoomsAvailableDGV.Rows(j).Cells("RoomName").Value Then

It gives me the following error: Option Strict On disallows operands of type Object for operator '='. Use the 'Is' operator to test for object identity.

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Option Strict On Disallows Operands Of Type Object For Operator Use The 'Is' Operator To Test For Object Identity

Apr 6, 2012

I need to write an interface to get data to/from our data files.

We have a low level class that holds field values for each record read from the files.

This just holds two values, the value read from the file (DBValue) and the updated value that may need to be written back to the file (CurrentValue).

These values may be any of the standard value types (integer, date etc) or a string.

Either value (DBValue or CurrentValue) may be null if not defined.

I have written the class to manage this data which works fine while option strict is NOT on.

But we have an office policy of having option strict on all the time.

When I put option strict on, my object value comparisons fail with the error: "Option Strict On disallows operands of type Object for operator '='. Use the 'Is' operator to test for object identity."

Question, how should I change the following code to handle option strict on ...

This is all running on Visual Studio 2010

[Code]...

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Get Operator '=' Is Not Defined For Types Char And Long

Apr 11, 2010

Where X is a variable with a character stored in it. Works: If X = " " Then Valid = False Doesn't work If X = not " " Then Valid = False So what is the correct syntax? For the second one I get operator '=' is not defined for types Char and Long.

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