Call Or Set Variable Value When Its Name Is Stored As String

Jun 6, 2011

My application has a variable VAR_1 that is boolean, this name is also stored in database.

Now I need to set VAR_1 value in my app by reading database and asign x value,

How do I call VAL_1 from a string?, this is:

Dim VAL_1 as boolean

Dim str as string = myTable.Rows(0).item("x") <--- Here's the name "VAL_1"

But I just can't find how to call VAL_1 by converting "VAL_1" to variable

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In my project I am using a LINQ to SQL class that contains a stored procedure which includes a string value as an output parameter.So to capture that, I created a string variable as follows in the procedure:Dim spOutput As String? However, when I do this I get the following message "Type 'String' must be a value type or a type argument constrained to 'Structure' in order to be used with 'Nullable' or nullable modifier '?'"

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Could you advise me the most efficient code to do this job in VB?

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Public gsNewYork As String
public sub Getinfo
dim lslocation as string

[code].....

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May 17, 2011

I connected to the Informix server using RazorSQL, created a stored procedure and tested it, getting the expected answer, so the procedure exists in the database in some form.

I then run the following code:

If ConnectToInformix() Then
Dim cmd As New IfxCommand("dc_routeHasOutstandingQuantity", conn)
cmd.CommandType = CommandType.StoredProcedure

[Code]....

This error does not occur when calling the stored procedure from a live SQL connection.

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The store procedure which give me the information I need is:

USE [UCSMIS]
GO
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[Code].....

When I try to add it to my report it gives an error, is it because of the temp table and how should I go about it?

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Mar 3, 2011

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2. In my stored procedure, how would I return the founded data row to the vb.net function?

Module makeLabel
Public Class AMGCdata
Public fileName As String[code]...........

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I am trying to call a stored procedure from a SQLExpress2005 data base on a Windows 2003 Domain Controller. I keep having errors when I run my code in debug mode.

Stored procedure name = InsertUsersFromAD
Server name where SQL resides = MIS631
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[Code]...

I've tried making the Data Source = \MIS631SQLEXPRESS also, which didn't seem to work. I am trying to finish up a school project and this is the only thing not working.

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Dim ID As New SqlParameter("@ID", SqlDbType.Int)
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query.Parameters.Add(ID)

[Code]....

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Excel call to Sql Stored Procedure

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Dec 19, 2011

How to call a stored procedure from sqlplus?

I have a procedure like ::

Create or replace procedure testproc(parameter1 in varachar2,parameter2 out varchar2)
begin

[Code]....

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Jul 23, 2009

I want to be able to call a certain stored procedure based upon different criteria. May I do something like on lines 6 through 12 ? If so, am I properly creating my command object on line 3?

1 Dim connString As String = ConfigurationManager.ConnectionStrings("EMRConnectionString").ConnectionString
2 Dim conn As New SqlConnection(connString)
3 Dim sprocComm As New SqlCommand

[Code].....

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Jul 31, 2009

in my SQL 2005 database I have defined this stored procedure:

CREATE PROCEDURE [dbo].[CheckOrders] (
@PK_Customer uniqueidentifier,
@Amount bigint OUTPUT)

[code]....

When I check the value of nAmount it stil contains the original value -1 the output value didn't return from the stored procedure although the number of records updated is 0 or more. The procedure was checked, it works and there are records updated and the value of @Amount is SET to a value 0 or more. I just don't get the values back. eventough the parameter @Amount is defined as OUTPUT. I also tried with outParam.Direction = Data.ParameterDirection.InputOutput instead of outParam.Direction = Data.ParameterDirection.Output . Same result. How do I get the value back from the stored procedure?

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I've been trying to figure out how to call an Oracle 10g stored function and insert the return value into my VB.NET application. Stored procedures I've been already able to figure out, but I have no idea about functions.I have the parameter set to send to the function, the oracle function works perfect, but what VB coding to I need to get that return value. The return value is a CHAR.

Again the Oracle DB is in their 10g release.

My version of VB.NET Is Visual Studio 2010.

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Oct 26, 2010

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Oct 18, 2010

how can i call stored procedure named Insert in vb.net i just call a stored procedure named View the code is:

vb.net
dim Sqlcmd as sqlcommand
Sqlcmd.connection=Mydatabasename
Sqlcmd.commantext="MyStoredProcedurename"
Sqlcmd.commandtype=commandtype.StoredProcedure

[code]....

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Nov 30, 2010

I am creating a front-end application for my company to track job details, customer appointments, upcoming appointments, and more. I had a developer create a back-end SQL database, which includes all of the corresponding stored procedures, such as insert, delete, update, detail, list.We are running SBS 2008, which includes Sharepoint for our internal website. So, I would like the final application to be hosted on our internal website.

I've talked to three different developers and all three had conflicting opinions regarding development. Where do I begin in the development of the application? Which template should be used? How are the stored procedures utilized? How can I create a button to call the stored procedure?

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Nov 17, 2010

I need to refactor the method GetVendorBalanceDue to call stored procedure spVendorBalance in my database. I have created the stored procedure and am not sure how to get the method to call the stored procedure. Here is my code:

Private Function GetVendorBalanceDue(ByVal vendorID As Integer) As Decimal Implements InvoiceService.GetVendorBalanceDue
Dim selectCommand As New SqlCommand

[Code].....

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VS 2008 - Any Way To Call Stored Procedures From Windows App?

Dec 10, 2009

I know that it's possible to Call a stored procedure from a Windows Application made in VS 2008. But, is it also possible to Create one? If so, isn't it possible for someone to create a SP that will delete all the data in a DB,when executed? Is there a real danger that someone could use an application that communicates with a DB to create such a procedure?

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VS 2008 Call SQL Stored Proc Asynchronously?

Jun 9, 2011

I need to call a stored proc from a .NET web page which takes around 15 min to process. We do not want user not to be able to browse the website in the meanwhile. Is calling it asynchronously the way to go or are there any other recommended ways?

make an asynchronous stored proc call?

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Feb 22, 2012

I used the same lines of codes to call a SQL server store procedure to export sql data to an XML file:

1. If I call the stored procedure from a window form application, it works and generates the file at the designated location.

2. If I call the stored procedure from a window service application with a setup project, and the install process run well, and I started the service, and checked the event log, it showed the service start successfully, BUT it FAILED to generate the file at the destination folder. I also run everything as administrator, but it still failed to generate the file. It made me wonder if a window service can call a stored procedure. Because, again, mine ran fine with the window form appl, but window service, I would like to have your sample codes. I have googled around for 3 days now, but could not find the answer. I use vs 2008, sql server 2008, and Windows 7

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VS 2008 Use The Value Of One Variable To Call Another Variable Of The Same Name?

Feb 7, 2011

I am trying to use the value of one variable to call another variable of the same name.I have 2 variable one called VAR1 and VAR2.

The variable VAR1 has a value of "VAR2"
The variable VAR2 has a value of "HELP"

I want to be able to get the value VAR2 from the variable VAR1 I have defined the value of VAR2 early in the code and now I want to call that value by using the value of VAR1.The reason I am doing it this way as I have a list of 50 variables that are pulled from one system. Each of these variables have the same name as the columns of a spreadsheet. The total number of Variable stay the same but the total column headers may vary each time. I need to loop through each of the column headers match them with the variable names and add the data to the spreadsheet.

VAR1 = "VAR2"
VAR2 = "HELP"
i =1

[code]....

This is the tricky bit...if the value of the cell(1,i) = "VAR2" How do I get it to display the value of the variable of the same name In this case how will I get it to display "HELP" when I only have from the VAR1 value "VAR2" I know my code will bring back the value as a string but I want it to bring back that string as a variable and display the value of that variable?

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Call A Stored Procedure In SQL Using LINQ To Fill A Combobox

May 14, 2012

I have a combobox named cbEmpState, I need to call a stored procedure named 'spStateList' and have it fill the combobox. I'm having a hard time finding examples of this online. The stored procedure is in my dbml file.

Here's the stored procedure


ALTER PROC spStateList
AS
SELECT * FROM states ORDER BY StateName ASC

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Call A Stored Procedure To Perform Count On An Array?

May 21, 2012

I am selecting a distinct user from IT_Cases_List and stored it in an arraystaff(). From this array, I will then call a Stored Procedure to count the no of cases attended by this user,(arraystaff(i)) and loop it until arraystaff.length-1

but the problem is that the count does not tally.

Sub getStaff(ByVal month As String)
If Not con.State = ConnectionState.Closed Then
con.Open()

[Code]....

ok, i've called only once getcases but i'm still having the same problem.

this is what i get when i run the program:

if i get Count(*) from the database, the total no of cases i should be getting is 132, whereas the total of cases i get from the program is 157 (7+7+20+20+49+49+5)

if i run the query from sql, this is what i should be getting

i notice that the Count number gets duplicated (7,7,20,20,49,49,5) instead of (7,20,49,5,10,27,13)

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How To Call Stored Procedure And Retrieve Single Return Value

Jul 22, 2010

I'm new to LINQ and am having a problem getting proper results from a simple (working) stored procedure that takes no parameters and returns a single Integer. When calling this sproc with LINQ its returnvalue is always 0. When run using tableadapter or directly on the sql server it works, returning 6 digit values like 120123.

Here is my LINQ code:

Dim MeetingManager As New MeetingManagerDataContext
Dim MeetingID As Integer = MeetingManager.NewMeetingID().ReturnValue Here is the NewMeetingID procedure:
ALTER PROCEDURE [dbo].[NewMeetingID]
AS
SET NOCOUNT ON
BEGIN

[Code]...

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