Returns Information In Data Table When I Type Select Statement

Jul 28, 2011

I am working on a front-end application program and cannot figure out what is giving me this error. The program is accessing an Access Database and filling a text box on the form. The error i keep receiving is "Index out of range", "No row at position 0". I have information in the data table, and when I type the select statement into a query in Access, it returns the information in the data table.[code]...

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Select Case Statement Based On Data Type

Oct 20, 2009

I want to be able to have a case for each data system data type. Obviousely the code below doesnt work but it should make it easier to understand my question.

[Code]...

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DataTable Select Statement - Returns No Rows?

Mar 7, 2012

The following VB line, where _DSversionInfo is a DataSet, returns no rows:
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But inspection shows that the table contains rows with FileID's of 92, 93, 94, 90, 88, 89, 215, 216. The table columns are all of type string.

Further investigation showed that using the ID of 88, 215 and 216 will only return rows if the number is quoted.
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Jun 11, 2009

I got a table related to another table by orderref. I need to know what should be my SQL adapter command if I need to take some information from one table and some from another where orderref = "" or should I be making two separate SQLs?

I used to have this when I had only one table:
myStr = "select * from orders where Orderref='" + txtorderref.Text + "'"
Dim sqldaHistory As New SqlDataAdapter(myStr, nwindconn)
sqldaHistory.Fill(myDataset, "orders")

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Aug 19, 2009

[code]How would I switch on an object's type but using VB.NET's Select Case?I'm aware that some might suggest using polymorphism but I'm using a hierarchy of small message classes so that really wouldn't work in my csae.

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Jun 20, 2011

I am using OleDb, trying to do this:

Dim d as Date = DateSerial(Year(rptDate), Month(rptDate), 1 - 1)
Dim conn as OleDbConnection = new OleDbConnection(connStr)
Dim cm as OleDbCommand = new OleDbCommand()

[code]....

I know that d is the same date as the one in SQL server, specifically 3/31/2011 12:00:00 AM.

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Apr 2, 2009

I need to use a SELECT statement to select all data under a column name (like all employee names) and then to add the values to a listbox.

I usderstand that the select statement must be:

"SELECT * FROM EmployeeTable WHERE EmployeeNames LIKE *" (at least I think)

but then what? combobox1.fill ("EmployeesTable") ?

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Select Query With 'IN' Statement In Data Environment In Vb6?

Jul 8, 2009

I want to make a report with a query "Select * from StudMaster where StudID IN ('S0001','S0002','S0003')"For this I created a parameterised command object in data environment and set the query as:Select * from StudMaster where StudID IN ( ? )

Then I called in vb code as:Dataenvironment1.command1 ("'S0001','S0002','S0003'")

Is there anything wrong in it? It is not working..Plz help me out, how can I make it run.

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Jan 29, 2010

I am using the following Select Statement to retrive data from my .csv file database:

Code:
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[Code].....

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Select Statement - Display Data In A Datagridview Depending On The Column <AgonPeriodos>?

Apr 1, 2010

i have a problem with a SELECT statement.I have a table <EisagogiStoixeion> with 6 columns, one of then is < AgonPeriodos>. I want to display data in a datagridview depending on the column <AgonPeriodos>. I use the Select statement like this :

SELECT * from EisagogiStoixeion where AgonPeriodos = '" & textbox1.text &"'.

Value not set for one or more required parameters. This is my problem on the fill command.

If i don't use the where statement everything is ok and i can see the data including the data from the AgonPeriodos column.

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May 4, 2012

I am trying to read data from an excel sheet but there is an exception saying that no value given for one or more required parameters which I don't understand. Here is my code upto where the error is pointing to:

Dim MyConnection As System.Data.OleDb.OleDbConnection
Dim DtSet As System.Data.DataSet
Dim MyCommand As System.Data.OleDb.OleDbDataAdapter

[code]....

The exception points to that last line MyCommand.Fill(DtSet) which shows me that there is a problem with my select statement. Previously my code reads the data and displays it without the where clause in the select but when I added the where statement so that it can only read data from rows where the column I has a value equal to 176, it instead gives an exception that shows that some required parameter is missing a value?

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Sep 3, 2010

I am trying to retrieve information from one row that has four columns(name,company,address,phone) so that once it is displayed in 4 different textboxes, I can transfer to a word document.

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May 7, 2009

I am trying to input specific information on a form.I have created an sql statement from a table that will out put 18 rows of data.I have opened a recordset and instituted a do until loop.I need for the program to look at each row and if the Standard Score = the value of a field I have on the form it takes the value of the other three columns in updates it on the form.I have created the code and it works for upto 3 (Do Until loops)records, but when I try to add a 4th in the SQL statement and put in another do loop my computer runs it but it acts as if it freezes up. [code]

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Aug 16, 2010

I want to execute an SQL statement and put the result in to a data table.

Sub getvehicletypes()
Dim dt As New DataTable
Dim intLine As Integer = 0

[Code].....

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Apr 12, 2010

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Aug 31, 2011

I have three tables set up in a MySQL database called "event", "status" and "user". (as shown below:

EVENT TABLE (below)
STATUS TABLE (below)
USER TABLE (below)

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Imports System.Data.OleDb
Module Module1
Dim cn As OleDbConnection

[Code]......

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I am currently working on a custom data type, and wanted to implement a = operator.

I data type is a nullable date that returns a string value if date was supplied.

I want to allow the variable to be set like this

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currencyPosition = 0
Dim d As Integer = w + 100
For Each currency In Ary

[CODE]..........................

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I'm trying to run an INSERT statement to pass data from a datagrid to a table I have on my database. The problem I have is that the table has 6 columns and the datagrid has only 3. So I only want to pass those 3 columns but I get the error that the other 3 columns does not accept null values. I need to change the columns to accept null values. The other problem it is that I can't pass more than 9 records, if I have more than 9 record on the DataGrid it says "object not set as an instance of a reference" and it only add 9 records if I have more than 9.

Dim RowCount As Integer = datagrid1.Rows.Count - 1
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[Code] .....

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im trying to select a specific bit of data from a table in access using sql in vb.net. My select statement so far is sql = "select [UserAccessLevel] from Member where username = '" & tusername & "'"Useraccesslevel and username being columns in the table and tusername being a variable that stores the username im using to look up the useraccesslevel in the table.

Was wondering if any of you knew anything about select statements.

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VB.NET:i want to select data from sql server 2005 DB table and displaying into text box that depends on combo box selection using VB.NET

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Im trying to fumble my way through selecting data from a mysql table and populating it to a combo box. I feel Im almost there, could someone look over my code and see whats going wrong?

Private Sub ComboBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged
Dim con As New MySqlConnection

[Code].....

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I have the following SQL:

[Code]...

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im trying to develop a vb.net script which returns the below information of a windows file

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Dec 12, 2010

I am using select command for one of my button

Dim edit1 As OleDbCommand = New OleDbCommand("select * from [exporter] where exp_id='" & t1.Text & "'", con1)

now:-

t1 is a textbox

and in my table exp_id is "Number" now when i run this i get an error at the time executing reader (Data type mismatch in criteria expression.) but when i change exp_id properties to "Text" it run's properly

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I am using VB .Net to loop through a regex Match and generate a sql statement. I'm creating the sql like this

sql = "Insert Into Agencies (Address) Values"
While MatchObj.Success
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[code].....

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Mar 29, 2011

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Feb 9, 2012

I am wanting to pull data out a select table and wanting to use it locally as Read Only data I am stuck on how to write the data to the local Temporary table[code]...

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