Error Number Of Query Values And Destination Fields Are Not The Same?

Jul 29, 2011

Private Sub ButtonSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ButtonSave.Click
If frUpdate = False Then

[code].....

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Error - Number Of Query Values And Destination Fields Are Not The Same

Dec 12, 2011

i am making a simple testing application within visual studio 2010, thought im gonna be direct. in ms.acces i made a database with a few tables, this one is about the table : leden. the error indicates that i simply do not have enough values to insert into the table and i think it has to do with the ID(autincrement in acces)

[Code]...

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Number Of Query Values And Destination Fields Are Not Same

May 9, 2011

I am getting the above error in my code. I've searched the net (on this site and others) for a solution to this problem and it seems that its either something to do with a field name being a reserved name ie. Date, Time etc.... or its missing (') or (") in the SQL command. ive tried both these solutions to no avail.

Dim objDataAdapter As New OleDbDataAdapter
Dim objDataSet As New DataSet
Dim objDataReader As OleDbDataReader
Dim i As Integer
Dim SQLstr As String
[Code] .....

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Why Are Number Of Query Values And Destination Fields Not The Same

Feb 6, 2011

here is my code. dont seem to know whats the problem. i have 12 data fields in access excluding the ID field.

Dim strCon As String = "Provider=Microsoft.jet.oledb.4.0;data source=C:UsersdexterDocumentsdesktopcsci14databaseMuseum-final.mdb"
Dim dSet As New DataSet

[Code].....

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Number Of Query Values And Destination Field Are Not The Same?

Jul 28, 2011

Private Sub ButtonSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ButtonSave.Click

[Code]...

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Update Values In A Dictionary With New Fields Obtained From Wmi Query?

Jan 20, 2012

I still can't assign the process the username of the session id that is associated with it.[code]...

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Executing A Sql Command - Number Of Values Provided Must Be Equal To The Number Of Placeholders In Query?

Aug 11, 2010

I have a problem with a sql query. Through the query I am trying to search database for any occurrences of string (can be anything) in a column using the SQL LIKE command. The problem is that it works fine for most of the strings say john, jim, ji"m , but does not work when i include the following characters which are ( ' , { , } , and a single quotation mark). MYSQL query takes care of these special cases by putting them in [] block whenever user enters them .But i am getting the following error when i go to query the database using the GetSelectCommand() in VB.NET

Exception Details: System.ApplicationException: Number of values provided must be equal to the number of placeholders in query.I have checked the query over and over again .. but its fine .My database server is Sql Server 2008.So my application throws the exception in this command:

Using reader As MustDisposeDataReader = _
pmSystem.DatabaseManager.GetSelectCommand(selectStatementBuilder.ToString(), New Object() {})

Where MustDisposeDataReader is an instance of a class in an internally developed library, which inherits from System.Object. pmSystem is an instance of the class PlanManagerSystem which implements the commandlayer. GetSelectCommand() takes the select command

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Syntax Error (missing Operator) In Query Expression 'Serial Number = 'L3FW341''?

Dec 26, 2011

Syntax error (missing operator) in query expression 'Serial Number = 'L3FW341''.The Serial Number field is declared as text in Access Db.
I am not sure which operator is missing in my command!Below is my code:[code]......

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Insert Error: Column Name Or Number Of Supplied Values Does Not Match

May 5, 2011

I have a form in an application that I'm building that shows a datagridview with the last field being a checkbox. What I'm attempting to do is if the user clicks on the checkbox and then clicking on "Save Changes" all of the fields on that datagridview row (except the first field) is then saved to a database. I have the following [Code] The error I keep getting is "Insert Error: Column name or number of supplied values does not match table definition.".

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Insert Error: Column Name Or Number Of Supplied Values Does Not Match Table Definition

May 5, 2011

I have a form in an application that I'm building that shows a datagridview with the last field being a checkbox. What I'm attempting to do is if the user clicks on the checkbox and then clicking on "Save Changes" all of the fields on that datagridview row (except the first field) is then saved to a database. I have the following

Private Sub holidaysaveButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles holidaysaveButton.Click
For Each dr As DataGridViewRow In DataGridView1.Rows

[Code].....

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2008 - Error: StreamWriter Destination Unreachable

Mar 3, 2009

I am using the Streamwriter to send simple messages to other machines in my office. But i hit across a problem today which i never thought about. If the computer im sending the message to, doesn't have the listener running, the sender crashes out. Is there anyway to trap the error, and deal with it nicely (i.e a message box) instead of the app quiting?

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Add A Record To A .txt File - Get An Error Message Duplicate Output Destination?

Jul 26, 2011

I am trying to addd a record to a .txt file that happens to have the same couln name for two different columns. So i get an error message Duplicate Output Destination 'ST" 'ST' is my duplicate coulmn name, being used for Street and State poor design

code

Dim da As New OleDbDataAdapter("Select * From " & Me.OpenFileDialog1.SafeFileName & "", con)[code]...

There is nothing I can do about the .txt file it comes from a 3rd party and is there design,

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Fields From Database As Per The Query Given?

Jun 20, 2011

i have a table named item_details.i have some field named item_id,item_name,quantity,supplier_name etc.i want to see all details as per the item_id given in a textbox.i also want to see details as per the item_name is given.i can use 2 forms to view this type of query..one for item_id..and other to view from item_name.but..i want to use tabcontrol..in 1 tab i want go give the item_name...and want to get the details.and other tab i want to give the item_id...and want to get the details....and whenever i gave wrong information.an error message will be shown.

[Code]...

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DB/Reporting :: Getting Query Fields Into Text Box?

Jan 14, 2009

I am writing a little program that does the following:Allows the user to enter a id number.Then when the find button is clicked, we connect to the database and run a select statement for the id.I am trying to figure out how to get the first name, last name and birthdate into textboxes on my form.

I would like to have a way to display a messagebox if the resultset = 0 so as to tell the user no records found.Then if the information is correct I am going to have a button to update the information which is going to call a stored procedure I have in place to update the record.how to make the connection which I think I have working and then loading the individual fields into the appropriate textboxes.

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Query Include All Fields In Some Cases But Not Others?

Oct 15, 2010

This LINQ to SQL query From g In Db.Context.Current.Groups Select g.GroupID

generates this SQL:

SELECT [t0].[GroupID] FROM [dbo].[Groups] AS [t0]But this query From g In Db.Context.Current.Groups
Select g.GroupID, g.MemberCount

[Code]...

I very much want to select only the fields I need. How can I persuade LINQ to SQL not to select all columns?

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Pass The Query String Using Hidden Fields?

Feb 7, 2011

How to pass the query string using hidden fields in vb.net...

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Optimize Linq To SQL Query, Group By Multiple Fields

Jul 26, 2010

My LINQ query contains the following Group By statement:

Group p By Key = New With { _
.Latitude = p.Address.GeoLocations.FirstOrDefault(Function(g) New String() {"ADDRESS", "POINT"}.Contains(g.Granularity)).Latitude, _
.Longitude = p.Address.GeoLocations.FirstOrDefault(Function(g) New String() {"ADDRESS", "POINT"}.Contains(g.Granularity)).Longitude}

The query works, but here is the SQL that the clause above produces

SELECT [t6].[Latitude]
FROM (
SELECT TOP (1) [t5].[Latitude]

[Code]....

but this produced an error: "A group by expression can only contain non-constant scalars that are comparable by the server."

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Parsing Text Fields As Date In Update Query?

Apr 22, 2009

I've been running into some errors with converting strings to dates in the following code. I have recently added the intcall.Value = DateTime.Parse(txtIntCallDate.Text) function which had gotten rid of the error message, however the records are not being updated, any of them on the form. Prior to this the strings were being updated just fine. As long as there is a date entered on the form there is no error, if it's left blank i get the "Problem converting string to datetime"

[Code]...

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Query From A Table That Criteria Fields Are Contain Unicode Character

Jun 12, 2011

I have a problem with unicode character, as i create a database in SQL Server 2005. I want to query from a table that criteria fields are contain unicode character i.e NVARCHAR.

e.g: SELECT * FROM tblMyTable WHERE MyField='ភាសាខ្មែរ'. But when i did like this all rows that contain Unicode Character always display. it doesn't fit to my criteria

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Get A Variable's Value Set To The Number Of Data Fields?

Oct 16, 2011

How can I get a Variable's value set to the number of Data Fields in my DataBase that is NOT Nul.

I have in a table 10 fields or columns Named: Ing1, Ing2, Ing3, Ing4, Ing5, Ing6, Ing7, Ing8, Ing9 and Ing10. This fields will all most never all be fild, will be fild from 1 upwords. I need to know how many of them is NOT Nul.

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When Creating A Query Error "The Schema Returned By The New Query Differs From The Base Query"

Feb 29, 2012

When Creating a query using the sear Criteria Builder . I keep getting the error : "The schema returned by the new query differs from the base query" what does that mean and how do i avoid this problem in future

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Sql - LINQ Or DataTable When Number Of Fields Unknown

Feb 25, 2010

I have a dynamic query which returns a DataTable. This DataTable will contain a varying number of columns depending on the selection used in the query. I want an efficient way of filtering the records in the DataTable.

For Example The DataTable contains columns : A, B, C and D

I need to query this data at serveral points in my program. At some point I may need records where A=10 and C>40. At another point I may need records where A<10 and D=90 etc.etc. The selects are dymanmic, I do not now what Columns or values are needed until the code is executing.

I could simply use a DataTable Filter and build the selection string dynamically. I have no problem with this. However I was wondering if using LINQ would be more applicable. I am completely new to LINQ and would like to use it but don't know its capabilities.

(At present I am using a DataTable but in future this may change to a collection of Objects)

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Convert A Two-table Exists Query From SQL To Linq Using Dynamic Fields In The Subquery?

Jun 7, 2011

I'm trying to query old Access database tables and compare them with SQL Server tables.They often don't have primary keys, or they have extra fields that had some purpose in the nineties, etc., or the new tables have new fields, etc.I need to find records - based on a set of fields specified at runtime - that are in one table but not another.So, I do this kind of query all the time in SQL, when I'm comparing data in different tables:

dim fields_i_care_about as string = "field1, field2, field3"
'This kind of thing gets set by a caller, can be any number of fields, depends on the
'table
dim s as string= ""

[code]....

It tells me it can't convert a Boolean - Is there any way to do this without Linq expressions? They seem far more complex than what I'm trying to do here, and they take a lot of code, and also I can't seem to find examples of Expressions where we're comparing two fields in a subquery.Is there a simpler way? I know I could do the usual EXISTS query using JOIN or IN - in this case I don't need the query to be super fast or anything. And I don't need to use a DataTable or DataSet - I can put the data in some other kind of object.

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C# :: Throwing An Exception For A Invalid Number Of Fields In A Csv Record?

Feb 16, 2012

I am writing a parsing method for a csv record and want to throw an exception if the number of fields in the record do not match the expected length

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Inserting Null Values Into Date Fields?

Apr 20, 2012

I have a FormView where I pull data from one table (MS Access), and then insert it (plus more data) into another table. I'm having issues with the dates.The first table has two date fields: date_submitted and date_updated. In some records, date_updated is blank. This causes me to get a data mismatch error when attempting to insert into the second table.It might be because I'm databinding the date_updated field from the first table into a HiddenField on the FormView. It then takes the value from the HiddenField and attempts to insert it into the second table:

Dim hfDateRequestUpdated As HiddenField = FormView1.FindControl("hfDateRequestUpdated")
myDateRequestUpdated = hfDateRequestUpdated.Value
'... It then attempts to insert myDateRequestUpdated into the database.

[code].....

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MaskedTextbox - How To Pass Values Of Fields To Database

Apr 24, 2010

I am new using Vb. I did create an app that accept general customers info, and save it into a database using the bindingsource component(I don't know how to do it with SQL from VB). Everything was fine, but adding a couple of maskedtextbox has become difficult. I don't know how to pass the value of this fields to the database. I used the following code:
phonetextbox.text = maskedtextbox.text
Leaving the original fields in the form, I see the values on them, but they never goes to the database. Is this just possible using sql command from VB?

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Replacing Merge Fields With Our Values In Code?

Jun 29, 2011

I have this Text: Hello <<FirstName>> <<LastName>> in which the <> and <> are merge fields in a document, and I have a list of customers in an array which I want to allocate them to these fields. How do I do that?

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Determine Number Of Fields And Records In Fixed Width File?

Feb 1, 2009

I need to import a big fixed width text data file into SQL server. Before importing, how to determine how many fields and records in the file?

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Asp.net - Disabled And Uncheck The Checkbox Values From Database Fields?

Dec 11, 2010

how to disabled and uncheck the checkbox values from database fields.. if i have entry in my database records as :

[Code]...

I want on page load event the default date for todays is 11-Dec-2010 then checkbox1, checkbox2, checkbox3, checkbox4 will be disabled and unchecked state for 11-Dec-2010 as you see on the above database structure the seats for 11-Dec-2010 is 1,2,3,4 so the chekbox1, checkbox2, checkbox3, checkbox4 will be disabled... I wanna this code snippet in VB.NET

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Getting Field Values From A List Into Fields In A Structure Or Class?

Mar 21, 2012

I have a class (using a class rather than a structure only because I can set a default field value for the fields I declare in the class) and I'm using a web service that returns information (demographic information) in JSON. I am using LINQ to get the values of each "entry" from the returned list and in that, I have to parse through and pull out the actual data that I want.Here's how I have it doing right now (just a start, there are 44 of them total, thus my question which will follow the code):

Dim returnedStats = From ljo As Linq.JObject In returnedObject.SelectToken("results")
'
'
For Each stat As Linq.JObject In returnedStats

[code]....

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