I use codes below to inserts values to database by executing stored procedure.
Dim connstring As String = "dsn=test"
Dim oConn As Odbc.OdbcConnection = New Odbc.OdbcConnection(connstring)
Dim com As New Odbc.OdbcCommand("{? = call sp_test1(?,?,?,?)}", oConn)
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I'm running the following code and I get no error and the stored proc doesn't run. I've tried with different syntax on the stored proc (exec <stored> <parm>) and that didn't work either. I'm connecting via Sybase ODBC. I've also tried with command type text and got the same results (no error and the proc doesn't run).
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How do I run a SP using an ODBC data source name?I can do it using a hard-coded connection string, but I don't want that. I want my program to be more flexible, so it will run on any computer.[code]How would I do that with ODBC, instead of a hard coded string?
View 1 RepliesI am still quite new to different ways to connect to different in the SQL and Access, i am trying to connect to a StoredProcedure in SQL and pass parameters to append to it. There is a similar program already been built for us which does a similar thing but it is done in VB6 and i am trying to upgrade everything to .NET and this will be the last bit.Here is a snippet of the VB6 as there are a lot of Parameters that need to be passed but once i know how to add a couple it'll be the same for the rest:
View 1 RepliesI need to update a table with values from a listbox. I am trying to create as many parameters as there are items in the list, my code below, but how do i name them differently? so that they dont' overwrite each other?
For Each item As ListItem In ris
Dim pID As New SqlParameter("@userid", SqlDbType.Int)
pID.Value = objFormat.CheckSQL(item.Value)
[Code]....
and on the SQL side, is it possible to write an update statement, that will take a dynamic number of parameters?
so for example, i need to update multiple users with the same value in the "active" field...
Switching from Microsofts Oracle Driver to ODP.NET version 10.2.0.100. After changing the data types to OracleDBTypes in a procedure, that worked perficetly using System.Data.OracleClient, the procedure fails if we try and pass in more that 20 parameters. The error returned is:
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i have a stored procedure to update a table. not all fields are required and some can be blank.
for example, title is not required, but when it's blank i get an error
Dim ptitle As New SqlParameter("@title", SqlDbType.NVarChar, 20)
ptitle.Value = objFormat.CheckSQL(title)
myCommand.Parameters.Add(ptitle)
ex {"Procedure or Function 'sp_UpdateUser' expects parameter '@title', which was not supplied."} System.Exception
how can i fix it so that it allows for nulls if the data field is blank?
This code calls a store procedure that takes input parameters. With this code I'm confused as to how the parameters are passed to the stored procedure. The parameters are first stored into 2 string variables (strCategoryName & strOrderYear). They are then copied/moved to an sql parameter prm.value. But the stored is stored in an sqlcommand (cmd ). I can't understand how the stored procedures knows what the parameter values are.
Private Sub btnWithParameters2_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles btnWithParameters2.Click
Dim cnn As SqlClient.SqlConnection = _
New SqlClient.SqlConnection("Data Source=SKYROCKET;" & _
"Initial Catalog=Northwind;Integrated Security=SSPI")
[Code] ......
Im trying to pass parameters to a stored procedure in SQL but for some reason its storing the parameter(s) in the columns....
My code
Public Function AddRec(ByVal textbox1 As String, ByVal textbox2 As String, ByVal textbox3 As String, ByRef Creation As Date)
'Adding a new Record to SQL
Dim Conn As New SqlConnection
[code]....
the addwithvalue all the textbox`s have a value in which i would expect but for some reason when i go to db in SQL it actually shows the @Username,@Account,@Password,@DatCreated not the values im passing in please see the attached image.
I am confused about how to pass parameters to a stored procedure. The stored procedure is written in sql server 2005 and the code is in vb.net.
I have included the sub that I am working on. I know that my use of parameters is wrong.
Public Sub AddRecipe()
Using myDBconnection As New SqlConnection(setConnstring)
Using SQLcmd As New SqlCommand()
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I am building a three tierd app, and therefore have all my data access methods in a class by itself.This class only calls stored procedures, basically, I need to pass in the following:
1) stored procedure name as string
2) parameters as IDataParameter() -- an array of parameters
3) other fields ( not important to this discussion)
If I use a GridView on my web form and choose an ObjectDataSourceObjectDataSource, and then choose my business object and method, since the method is a call to a stored procedure with a parameter array, I don't know how to pass it values in the IDataParameter format.The Method Signature listed on the wizard is "RunSP(String spname, IDataParameter[] params), returns SqlDataReader" which basically is calling a method called RunSP with two parameters, of which the second parameter is a parameter array for a stored proc.
I have created a database with on table that is very similar in setup to ProductCostHistory from the Adventureworks database. Using the adventureworks database as an example, when the procedure is given the parameters of date and productID it will change the EndDate of the currently active cost to the date value and insert a new record with productID as the ProductID and Date as the StartDate, leaving EndDate null for the newly inserted record. I am looking for a way to create a simple form with two textboxes and a button. textbox1 accepts the ProductID parameter and textbox2 accepts the Date value. when the button is pressed, the stored procedure is executed and the table is updated. This seems pretty simple and I am very familiar with tieing stored procedures to a table in a dataset when each prcedure handles only a single simple action (either, SELECT, INSERT, UPDATE, or DELETE but not a single procedure that combines UPDATE and INSERT as the procedure described above does). I've done some reading and played with this on myown but can not find the simplest straightforward way of accomplishing this seemingly simple task.
View 2 Replies1. A dataset contaning all the tables, views and stored procedures from a db in the Data Sources
2. A stored procedure that makes a query using a parameter
3. 2 comboboxes with their DataSources defined
The first combobox gets populated with a stored procedure (with no params, through the Combobox task). When the user selects an item from this combobox this should trigger an event that populates the second combobox with the second stored procedure that requires a parameter.
Since the Dataset is already add to the Data Sources and contains all the procedures I need, I don't wanna to create more datasets or calls to the data base, however I don't know how to set the query using the procedure I already have passing the parameter.
I have a stored Procedure
CREATE PROCEDURE sp_DescriptionLookup
-- Add the parameters for the stored procedure here
@manfactureid as int
[Code].....
I am developing a complicated search form, and I would like to know best method of passing search criteria to stored procedures.Possible options that I know are, 1) Create sql statements in Visual Basic and send statements to SP as strings to execute2) Pass search fields to stored procedure and build command in SP (Stored procedure) in database?
View 9 RepliesBasically Commands has Parameters and parameters has functions like Add, AddWithValue, and etc. In all tutorials i've seen, i usually noticed that they are using Add instead of AddWithValue.
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since it saves my coding time. So which is better to use? Which is safe to use? Does it improves performance?
I have a stored procedure that takes in 2 parameters and returns an integer value. I would like this value to be the value for a gauge chart on the page. The 2 parameters will change depending on the attributes of the selected item. Is there a simple way to pass the one value from the stored procedure to the chart to display? This will be embedded in an asp.net application (vb) - so depending on the previously selected item, the values for the parameters and result will change.
View 1 RepliesWhat is the equivalent of Parameters.AddWithValue in the MySqlClient?
I've tried Parameters.Add and it's not working, but AddWithValue gives me an error.
Let's say I have a MySql stored procedure that inserts a record with some nullable CHAR fields. In VB.NET if I don't check for Nothing (or Null in other languages), I get an exception from the db driver, so I write:
command.CommandType = CommandType.StoredProcedure;
command.Parameters.AddWithValue("_name", if(name Is Nothing, "", name)).Direction = ParameterDirection.Input;
And this is the first thing I don't like; I'd like to pass Nothing and the driver knows it has to put NULL in the Db. But then, in the stored procedure, I have to check back the field if it is empty:
INSERT INTO mytable
(name, -- other 200 char fields)
VALUES
(NULLIF(_name, ''),
-- other 200 char fields
)
I have to check for nothingness/emptiness twice. Is there a better, more direct, way? Even worse, for non reference types (i.e: Integers) the check for nothingness makes no sense, since a primitive type can't be nothing (yes, I could set an Integer to a non meaningful value, say -1 for a positive id, but...).
The store procedure which give me the information I need is:
USE [UCSMIS]
GO
SET ANSI_NULLS ON
[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?
I have a stored procedure to update a table, but needs a couple of values from another table.
the first two selects get the value from the table and then are used in the update statement.
The select statments:
Select @iStatusDropDownValueID = iDropDownValueID
From DropDownValue
Inner Join DropDownValueType On DropDownValue.iDropDownValueTypeID =
[Code].....
First, the values that are retrieved by the first two select statements are always the same. So they could be passed in by the code itself. I don't know that this will speed things up at all, just make the entire stored procedure better and easier to read.
Second, if the "Value Name" should change this store procedure will break (which is possible, but not often).
I am looking for any insight into the Best Practices for this situation.
Is it possible to use "IN" operator together with OleDbCommand.Parameters.AddWithValue ?
I am using Visual Studio 2008 and Microsoft Access 2000.
I have search online but find no solution on it. Below is my code:
Dim conn As New OleDbConnection
Dim cmd As New OleDbCommand
Dim Adapter As New OleDb.OleDbDataAdapter
Dim strSQL As String
Dim dsDoc As New DataSet
[Code]...
Where there is 2 Document No inside parameter @Doc , i can't get any of them. When there is only 1 Document No, then it is ok.Is it possible to use "IN" operator together with OleDbCommand.Parameters.AddWithValue ?
My Source code is
Imports System.Data.Odbc
Public
Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[Code] .....
The table1 contains two parameters name and emplyoyee no. I am using Odbc driver. The connection is ok. But I am getting the error
An Odbc Exception occurred : {0}ERROR [07002] [Microsoft][ODBC Microsoft Access Driver] Too few parameters. Expected 1.
Is there any way to pass multiple values (a list of values) to a query via ODBC Parameters in VB.Net?
For instance, is there a way to create a query along the lines of:
-- vb.net has something like Dim itemNumbers As New List(Of Integer)(SomeCount)
SELECT Cost, Description
FROM MyItemList
WHERE ItemNum IN (<my list of item numbers>)
I'm connecting succesfully to an Oracle 10g DB with an the Microsoft ODBC for Oracle driver.Regular queries without parameters work fine, but parameterized queries act as if the parameters aren't getting passed in.ex.
--this works fine
Select * from tbl1 where column1 = 'test'
--this doesn't
select * from tbl1 where column1 = ?
--odbc string parameter 'test'
Here's what my connection string looks like:
"Driver={Microsoft ODBC for Oracle}; " & _
"CONNECTSTRING=(DESCRIPTION=" & _
"(ADDRESS=(PROTOCOL=TCP)" & _
[code]....
I have developed a small ms-access based software with vb.net.
I've added auto-update capabilities to the software (mostly by using clickonce) to simplify the release of new features.
Every version of the software executes the update routine which may update also the existing database.Lately i've made few changes on the database structure adding few stored queries, so i want the autoupdate code to programmatically add these new queries to the existing database and make it perfectly up to date.
I haven't already found a solution to add stored queries to an ms-access database using odbc...I also tried to use the "CREATE PROC" sql statement but it does not seem to work with access databases, even if i create the query form the Microsoft Office Access front-end.I've found some examples that uses ADODB, but i'm using odbc to remain both x86 and x64 compliant.
I am trying to create a DisplayAverage sub procedure that accepts 3 integer numbers as parameters. This procedure should find the average of these 3 numbers and display the numbers along with their average in the list box.
Private Sub btnAverage_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAverage.Click
Dim a As Integer = CInt(txtone.Text)
Dim b As Integer = CInt(txtTwo.Text)[code].....
I want use a stored procedure in my project but I have no idea about it. Please could you tell me a little bit about how to use I can use one in my vb.net application ?
View 2 RepliesI have noticed the following but unable to understand why.Whenever a procedure is called in .net it takes more time than when it is called subsequently.Even if a procedure is called after some interval it takes more time than it takes if it is called quite frequently. i am not asking about sql query or sql command. any user definded function or user defined method takes much more time to finish when it is called occasionaly. but when the same procedure is called quite often it finishes a lot faster. why?
View 1 RepliesI am currently building an ASPX webpage for internal use. Basically, there are two buttons on this page and I need each one to kick off a different stored procedure on our local SQLServer based on the needed task. these stored rocedures do quite a bit of work and take 3-5 minutes to finish running. In neither case do I need any kind of gridview or other output from these stored procedures, as they are simply crunching/cleaning data that will populate some tables that the user will then use to complete their task. There are also no inputs or parameters needed.
So i'm OK at ASPX and pretty good at SQL, but have no idea on the VB code behind page. This is what I have ben able to put together based on 3 days of googling. i think i am close but can't quite get across the line.
CODE:
I'm not sure if you need to see any of my ASPX or my SQL. both work fine on their own, but i am not able to get these buttons to work.