Error Converting Nvarchar To Numeric

Feb 26, 2012

I used the following statement for a parameter.[code]...


Sql - Error Converting Data Type Nvarchar To Datetime

Sep 2, 2010

Using Server 2000 updating a row via a gridview/sqldatasource

Stored proc:
@ISTag varchar(10),
@PCISTag varchar(10),


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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VS 2008 : Error - Conversion Failed When Converting The Nvarchar Value '65555,67803' To Data Type Int

Apr 27, 2011

I have a sql select statement with something like:

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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Error Converting Datatype Varchar To Numeric?

Feb 23, 2009

I am working with SQL and When I run the following function (shown below) an error is highlighted "Error converting varchar to numeric". Whats wrong with the coding that triggers the error..

Dim query As String
Dim cmd As New SqlCommand
Dim irow As Integer


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Error Converting Data Type Varchar To Numeric

Apr 29, 2010

When I try to close my form it gives me the following error; Error converting data type varchar to numeric. I have only one field which is numeric - ProjectID, and when I close this form sometimes this txtProjectID is empty and this calls the error. But if there is a number in the txtProjectID it closes fine.

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Error Converting Data Type Varchar To Numeric?

Aug 12, 2010

I am getting the error Error converting data type varchar to numeri when trying to save some of the information that is entered in a textbox to my sql server 2005 database. HEre is the code for my insert statement.

'declare your variables
Dim FirstName, LastName, Comments, MRN
Dim sConnString, connection, sSQL [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,


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May 4, 2010

I have this code which populated my form;

Private Sub populateprojdetails()
Dim cmd As New SqlCommand
Dim conn As SqlConnection = GetDbConnection()[code]....

The Error I receive is "Error converting data type varchar to numeric".

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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:

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)


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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.


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Apr 6, 2010

I'm having an issue with my base conversion program. It seems to have a problem converting from base36 to base10 properly. After debugging all night, I've found that it's one certain function that's not working properly. The function seems to convert every last test number correctly, until I start getting into 11-digit numbers in base36. I have the max digits allowable for base36 set to 12 (so as not to exceed the base10 18-quintillion or so that an unsigned long can hold). I'm starting to think the issue is with VB and not with my code.The function as I've written it is below (DIGITS is a global const string ="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ", and itr is a global integer used throughout the code for iteration):

Public Function FromBase10(ByVal iValue As ULong, ByVal cBase As ULong) As String
Dim remaining As ULong = iValue


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Dec 7, 2009

Public Class Form1
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End Sub
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I haven't got the code, however I got the physical part of the program done with a label called Numeric Number and another called Roman Numeral, with text boxs next to each label. I also have a button called "convert" so when you enter a numeric number in, it'll convert it to a roman numeral. I need it to only convert from 1 to 10, but not accept a number less than 1 or more than 10.

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May 19, 2011

I've got an unusual error regarding converting a varchar to numeric. I have code which goes through and adds the data to the database. When the code attempts to add the new data to the database, an error message appears highlighting the following line of code:
check = cmdCDQAssets.ExecuteReader.RecordsAffected

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May 16, 2009

Description of Program/Events. I would like to come up with a number generator that takes the Total number (for this example I'll say 20), divides it by 2, and does alternating additions so the end result will generate a list like this:
1, 11, 2, 12, 3, 13, 4, 14, 5, 15, 6, 16, 7, 17, 8, 18, 9, 19, 10, 20.

I can understand the arithmetic, just can't work out how to express this in code. The end result would be save in a .Txt file (I have added a SaveFileDialog1 control, but figure I need to get the result before I work on the export).
Dim StartValue As Integer
Dim EndValue As Integer
Dim TotalValue As Integer
' Convert input to numeric variables.
StartValue = Val(StartNumTextBox.Text)
[Code] .....

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Nov 19, 2011

I have encrypted a string to something like this: 

1.   Asak2$)kla1015QAXKFskfa332aSJ2(Ska@Skljcmcel3p.lq,aowpqaskla2@)Skx.:Pdm^),dfs;

what i want to is convert this string to something like this


both 1 & 2  the above strings are fictitious (i made them up to make my point clear)

I am trying to make a licensing system for my VB 2010 express application. (2) above will act as a serial key which can be derived from (1) which is an encrypted form of something unique of the client computer.

I will then confirm the (2) from the client.

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May 27, 2009

the min value is set at 0 and max value at 255 i have this in a button click:

NumericUpDown1.Value = 99

it should change the value to 99, but it returns a error 'Value of '99' is not valid for 'Value'. 'Value' should be between 'Minimum' and 'Maximum'. Parameter name: Value'.

so much work to do and so many choices to choose from...

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Varchar To Numeric Error

Sep 20, 2010

I have a textbox where I can enter a number. If the number exists in my sql database then it would change the label accordingly. It seems to work with any input number except for numbers starting with zero. If I input a number starting with zero(012345678) I get the error: Arithmetic Overflow error converting varchar to data type numeric.

Imports System.Data.SqlClient
Public Class ValidateForm
Private Sub MineralCloseButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MineralCloseButton.Click


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Apr 6, 2012

Is there a numeric text box, not an up-down box, a SIMPLE numeric box into which the user can place a number, 5 boxes actually, then on command have the five boxes added and the sum displayed?

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Mar 11, 2009

I need help for error messages for senerio like.... If i onli allow user to enter only numeric. And if i onli allow user to enter text start with "DM"...

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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;"


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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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)

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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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

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Sep 10, 2010

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Dec 19, 2011

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Jun 10, 2011

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modPlayer (module)
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Private Sub cmdClockIn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdClockIn.Click
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Mar 11, 2009

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Jun 29, 2009

i have a textbix in which the user is restricted to enter date in the following format "dd/mm/yyyy" .

then in code behind I am calling a stored procedure to which i am passing this date as a datetime parameter but i get an error

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how I might cast convert this string date into datetime to pass to my stored proc

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Jul 8, 2010

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Jan 31, 2011

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Feb 26, 2009

Error converting data type varchar to datetime.rtfI am trying to learn ASP.NET using ASP.NET 1.1 with SQL Server 2000 for the database. I have created a Stored Procedure in SQL Server 2000 and the procedure to execute the Stored Procedure is in ASP.NET 1.1. The problem is that when I try to save a record, the date field returns the above error. I have ried to use the several solutions on the web without getting one to solve the problem.I am attaching the Stored Procedure as well as the ASP.NET code for some advice. I am also attached a word document containing the two procedures.

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Feb 17, 2010

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Sep 2, 2010

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Nov 18, 2011

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