Operand Type Clash: Nvarchar Is Incompatible With Image?
Mar 10, 2010
I'm using a SQL Server 2008 stored procedure to create a new record with this syntax:
cmd.Parameters.Add("@photo", DBNull.Value)
cmd.ExecuteNonQuery()
but the result is a:
Operand type clash: nvarchar is incompatible with image
Photo is not the only parameter but is the only image one, I am not passing a nvarchar but a null value, am I missing something?
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Feb 7, 2011
I got the following error , when i am trying to insert data into the table and having the image type field.Operand type clash: image is incompatible with varchar(max)
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Dec 1, 2011
I am working with TVP and I am trying to pass a data table to the stored procedure as TVP. When the command tries to ExecuteNonQuery it throws an error:Operand type clash: datetime2 is incompatible with int. The data for table-valued parameter "@tvpPermitWork" doesn't conform to the table type of the parameter.I checked the data table using the visualizer and I find all the data to be correct. I am now stuck and I don't have the time to change it to stored procedures with individual parameters.
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Dec 14, 2011
i need to select some records from table Tr_cashbook between two date. the date field is newdt in which i need to compare data and the records should be shown in crystal report named rptCash2. the newdt field has datetime property. here is the code on the command button
bdcon.Open()
Dim QueryString As String
QueryString = "Select * from Tr_Cashbook where (Cast(newdt as date)>= " &
[Code]...
but this is not working when i press the command button it gives error as operand type clash: date is incompatible with int.
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Apr 22, 2009
I'm working on an ASP.NET application that uses VB. I'm using a SQLReader/SQLCommand/SQLConnection within the VB file to try to pull data values.I was mystified to find out that the reason why the query wasn't returning any values, and someone here showed me how to troubleshoot the query to verify things were being returned, which they weren't.
I talked to a co-worker, and he asked if it would match because I was feeding a string, and the Text field for the database is an nvarchar. How can I declare the variable in VB so that when fed in as a parameter for the query, it can match?The types of data it looks to match are just basic things like "2", "2a", "1a", and so on.If there's no way to just declare the nvarchar, does anyone have a suggestion on how I might workaround that?
Side note: This is a continuation, of sorts, of this question: http://stackoverflow.com/questions/768052/sql-reader-saying-no-values-exist-query-seems-fine
Edit: I set things up like you guys said, but now I'm getting an error that "No mapping exists from object type System.Data.SqlClient.SqlParameter to a known managed provider native type. "I have the parameter as a form-wide variable like this:
Private travelParameter As New SqlParameter("@trip", SqlDbType.NVarChar)
And then inside the main form,
travelQuery.CommandText = "SELECT [StartLoc], [EndLoc],[TravelTime], [AvgSpeed], [Distance] FROM [TravelTimes] WHERE [TripNum] = @trip"
travelQuery.Parameters.AddWithValue("@trip", travelParameter)
[code].....
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Oct 17, 2011
I don't know how to convert the nvarchar value into an int, but that is the way it needs to be set up. I've found other posts about this but I don't know how to use CAST in the INSERT statement I have. All the posts I could find were about converting to int in SELECT statements. I need this statement to change the field @Duration to an int in the database. @Duration is an amount of time. (01:00, 02:00...) They will all get rounded up to the next int value. So if a user enters 0:45, it should be converted to 1. how to get this INSERT to work?
'SQL Insert: Product table
Dim sqlInsertProduct As String = "INSERT INTO Product (ProductName, Status,
CreateDate, ModifyDate, CreateUser,
[Code]....
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Sep 2, 2010
Using Vb.net/SQL Server 2000 updating a row via a gridview/sqldatasource
Stored proc:
@ISTag varchar(10),
@PCISTag varchar(10),
[Code]......
I don't understand where else it could be screwing up. I'd love to be able to keep it to a null value if it is one already, I'm just trying to get it to take anything right now and this is where I'm at.
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Apr 27, 2011
I have a sql select statement with something like:
select...
where column in (@Parameter)
In VB code a set parameter.defaultvalue to "65555,67803", But i get an error "Conversion failed when converting the nvarchar value '65555,67803' to data type int."
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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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Sep 24, 2009
Dim Button As ToolStripButton = New ToolStripButton
Button.image = Icon.ExtractAssociatedIcon(exefile)
I try that code, and it just throws me the error that type Icon cannot be converted to Image. So how do i get around this? And does "ExtractAssociatedIcon(exefile)" work on exe files? Admittedly i don't really know what im doing
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Oct 28, 2009
Dim Button As ToolStripButton = New ToolStripButtonButton.image = Icon.ExtractAssociatedIcon(exefile)I try that code, and it just throws me the error that type Icon cannot be converted to Image.So how do i get around this? And does "ExtractAssociatedIcon(exefile)" work on exe files?
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Feb 26, 2012
I used the following statement for a parameter.[code]...
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Jun 11, 2012
I'd like to get some values from nvarchar column (SQL Server database). My code looks like below:
Dim value1 As String
Dim con2 As New System.Data.SqlClient.SqlConnection
con2.ConnectionString = "data source=AAA;initial catalog=DWH;integrated security=SSPI;"
con2.Open()
[code]....
It works fine only when there are numeric values in the column. But in this column are stored variable characters values and this types of values are not being displayed on the page. I don't know what is the reason.I've tried to use getValue.ToString instead of getString but it doesn't work either.
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Dec 12, 2011
I have DateTimePicker, and when I execute this procedure:
Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
Me.TextBox1.Text = Me.DateTimePicker1.Value
sqltest = "SELECT * FROM Table " & _
"WHERE TOT_DATE = '" & Me.DateTimePicker1.Text & "'"
datest = New OleDb.OleDbDataAdapter(sqltest, con)
datest.Fill(dstest, "datepickertab")
Me.DataGridView1.DataSource = dstest.Tables(0)
End Sub
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Sep 3, 2010
With XP set to a language such as Spanish (Spain), the VBA-in-Excel function "Excel.Version" returns the text string "11.0" (not "11,1"). It does not respect the language setting.
"CLng(Excel.Version)" then produces the value "110" (wrong!), perhaps because CLng respects the language setting and is looking for a comma instead of a period.
The work-around is easy. But I need to know if switching to another language requires a setting that my client in Spain missed, or is this just a bug.
If it is a bug, is the problem limited to this one function (Excel.Version), or are there other functions that return values in text format that are affected?
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May 5, 2009
The error is:
Method 'Private Sub ProcessToolWork()'
does not have a signature compatible
with delegate 'Delegate Sub
[code].....
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May 4, 2010
how can i solve this problem?
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Feb 25, 2010
I did a simple program using tcpclient on xp last year and it worked fine but now I have vista installed and I am getting an error now when i try to connect.
The error is "An address incompatible with the requested protocol was used."
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Jul 13, 2009
I have a multiline textbox from which I create a single string[code]...
What I'd like to do is write this to a DB as-is by adding wholeThing as a parameter using to SqlCommand.Parameters.AddWithValue, but all of my painstakingly-inserted newlines go away (or appear to).
I saw this and was hoping I didn't need to concern myself with CHAR(nnn) SQL stuff.
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May 15, 2011
How Can I determine if my data table column is varchar or nvarchar?
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Mar 9, 2011
Why does this:Private [Function] As Func(Of Double, String) = Function(ByRef z As Double) z.ToString
gives the following error:Nested function does not have a signature that is compatible with delegate String)'.
While this:Private [Function] As Func(Of Double, String) = Function(ByVal z As Double) z.ToString
Does not? (The difference is ByRef/ByVal)
Furthermore, how might I implement such a thing?
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May 16, 2012
Solution at the bottom. I receive the following error when trying to update records: Must declare Scalar Variable @PaymentTermID Problem is, @PaymentTermID should be defined already in the Update parameters. The 2 functions for onrowdatabound and onrowupdate are tweaked versions of the ones found here for the DropDownList: GridViewRow.DataItem Property. Delete works fine. No new lines are added, just names changed around. I am not exactly used to working with asp objects.
[Code]...
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Jun 11, 2011
I have the following code that gets a jpg image from sql which works fine.What i would now like to do is save this image as a file on my pc in a temp folder that i can use in a report. i would like to change the name of this image to the sheltercode.below is the code that i use to get the image from the sql table and populate into a picture box on my form. conn.Open() [code]
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Mar 15, 2010
I am using VB2008 in VS Prof and try to convert at Byte arry stored as a Image format in Sql2000 database.
Code:
Using acnLoc As New SqlConnection(CSLoc)
acnLoc.Open()
Dim G As SqlCommand = New SqlCommand("SELECT [SignatureData] FROM [MyTable] where [OID]=@OID", acnLoc)
G.Parameters.Add("@OID", SqlDbType.Int).Value =Cint(bxShipmentno.Text.Trim())
dim P= G.ExecuteScalar() 'returns a system arry
[Code]...
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Dec 19, 2011
I'm trying to filter a dataview using a DataView RowFilter. I want to filter out data based on two date values checked on one column:
Dim dtFuture As Date = DateAdd(DateInterval.Month, 6, Today)
dv.RowFilter = "ValidUntil >" & dtFuture.ToString & "AND ValidUntil > " & Today.ToString
I am getting the error Syntax error: Missing operand after '00' operator..
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Aug 5, 2009
I have a number of functions that, for one reason or another, return data type object.If I try and use the + operand (or indeed any arithmetic operator) on types object the compiler throws a wobbly.
How do I tell if a given object supports the "+" operator and, if it does, invoke that "+" operator?
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Dec 31, 2009
my code is like this:
Using StateProv As XmlElement = CType(hotelSearch.SelectSingleNode("/ota:OTA_HotelSearchRQ/ota:Criteria/ota:Criterion/ota:Address/ota:StateProv", nsmgr), XmlElement) 'i am getting error in this line....
StateProv.SetAttribute("StateCode", BLLHotel_Search.StateCode)
StateProv.ChildNodes(0).InnerText = BLLHotel_Search.StateName
End Using
error: "using operand of type 'System.xml.xmlelement' must implement 'system.idisposable'"
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May 24, 2010
I write this code for filter BookInfoDateView.RowFilter = "bookname LIKE '%" & TxtBookName.Text & "%'"but i get error massage like: Syntax error: Missing operand after 's' operator.
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Jun 2, 2011
Possible Duplicate:How do you return 'not uint' in C#? I'm trying to convert the following from VB.NET to C# and I'm getting a syntax error.
VB.NET:
Dim CurrentCRC As UInt16
CurrentCRC = &HFFFF
[code].....
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Nov 18, 2011
I have a dataset with names in it and displayed in a gatagrid on a windows formi want to filter (search) for a specific name stored in a variable by:Names.TblNamesBindingSource.Filter = "LastName= '" & VarLastName & "'"Say if my variable (VarLastName) = "O'brien"I get an error saying i'm missing an operand becouse of the ' in the name.
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