Databases :: Does Command Parameter Work While Using Mysql As A ODBC Connection
Jun 6, 2010
I have a problem whenever i run my code i get the following error ERROR [42000] [MySQL][ODBC 3.51 Driver][mysqld-5.1.46-community]You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ' ('b'), ('Manager'), ('c'), ('d'), ('e')' at line 1 my code works with connector/net but my host does not have it installed so i've had to change my code to odbc which they do have, i have found out the syntax is different and changed my code accordingly my code is as follows
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Sep 3, 2010
I'm having problem on passing parameter on odbc because it's not working at all. I tried this using sql and I have no problem at all. All are working fine. Is there a different syntax on odbc? Here's my code:
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Or using mysql connector/net to use mysql. I'm having problem installing it because the visual studio integration is not working, so I can't find it on the data source provider.
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Feb 15, 2011
I am currently making a website on asp.net and i am creating methods using TableAdapter. I am connected to MySql using an ODBC connection. The select * from department will work perfectly for me but when trying to use parameters i am given an error message on the wizard. select * from department where name = @name gives me the error: Error in where clause near '@' unable to parse query text. also tried select * from department where name = ?: this gives me the error: No mapping exists from dbTypeObject to a known Odbc type.
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Aug 18, 2010
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I can check whether username exists or not successfully but not for email. any ideas why it isn't working? Error message was that i did not close my connection. using System;
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Apr 21, 2010
I'm developing an ASP.NET app with a MySQL backend, using the MySQL Connector Net 6.2.3. I have a DetailsView with an insert command that is throwing the error:MySql.Data.MySqlClient.MySqlException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '?,?,?,?,?,?,?,?)' at line 1My code is:
[Code]....
If I hardcode values into the insert statement, it works fine. But when I put the ? placeholder in, it throws the error. Can anyone help me pinpoint the problem or offer a workaround solution?
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Jun 1, 2010
I have installed MySQL and set up an ODBC driver to point to a database in MySQL. In ASP.NET I have defined a connection string to attach to this MySQL dtabase.
<asp:SqlDataSource
ID="SqlDataSource2"
runat="server"
ConnectionString="<%$
ConnectionStrings:MySQLConnectionString %>"
SelectCommand="SELECT
* FROM [categories]"
ProviderName="<%$
ConnectionStrings:MySQLConnectionString.ProviderName %>">
</asp:SqlDataSource>
However in ASP.NET connection wizard, although the tables are shown, no colums are shown and when I attempt to run the page which uses this datasource I get an error message about a syntax error near page 1 at 'Select * from [categories]'. how to use an ODBC (MySQL) datasource in ASP.NET?
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Oct 1, 2010
I'm thinking the problem here is with my SQL Syntax, but I'm not sure and need a fresh pair of eyes to check it out. This is the code I'm using to connect to and then insert into the DB:
OdbcConnection datConn = CreateDataConn();
datConn.Open();
OdbcCommand comm = new OdbcCommand();
comm.CommandText = "INSERT INTO userdata (key, secretkey, uid) VALUES ('" + token + "', '" + secret + "', '" + twitterid + "');";
comm.Connection = datConn;
comm.ExecuteNonQuery();
datConn.Close();
And here is the CreatDataConn() method:
private OdbcConnection CreateDataConn()
{
OdbcConnection dbConn = new OdbcConnection();
dbConn.ConnectionString = "Dsn=MySQL;database=twittertest;option=0;port=0;server=localhost;uid=root;pass=Red!4jedi";
return dbConn;
}
I created a DSN to the database, which is hosted on my machine. When I run the application I get this error:
ERROR [42000] [MySQL][ODBC 3.51 Driver][mysqld-5.1.51-community]You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'key, secretkey, uid) VALUES ('127090765-i3aZl71LPSVUCPZs9kHSYeBli0vWpbq0BaM1roYC' at line 1
But for the life of me I can't figure out what's wrong with my syntax...It's prolly something simple, but again, I need a pair of fresh eyes to look at this.
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Dec 21, 2010
My code is to update a record if it already exists in database else insert as a new record. My code is as follows:
protected void Button3_Click(object sender, EventArgs e)
{
OdbcConnection MyConnection = new OdbcConnection("Driver={MySQL ODBC 3.51 Driver};Server=localhost;Database=testcase;User=root;Password=root;Option=3;");
MyConnection.Open();
String MyString = "select fil_no,orderdate from temp_save where fil_no=? and orderdate=?";
OdbcCommand MyCmd = new OdbcCommand(MyString, MyConnection);
MyCmd.Parameters.AddWithValue("", HiddenField4.Value);
MyCmd.Parameters.AddWithValue("", TextBox3.Text);
using (OdbcDataReader MyReader4 = MyCmd.ExecuteReader())
{
//**
if (MyReader4.Read())
{
String MyString1 = "UPDATE temp_save SET order=? where fil_no=? AND orderdate=?";
OdbcCommand MyCmd1 = new OdbcCommand(MyString1, MyConnection);
MyCmd1.Parameters.AddWithValue("", Editor1.Content.ToString());
MyCmd1.Parameters.AddWithValue("", HiddenField1.Value);
MyCmd1.Parameters.AddWithValue("", TextBox3.Text);
MyCmd1.ExecuteNonQuery();
}
else
{
// set the SQL string
String strSQL = "INSERT INTO temp_save (fil_no,order,orderdate) " +
"VALUES (?,?,?)";
// Create the Command and set its properties
OdbcCommand objCmd = new OdbcCommand(strSQL, MyConnection);
objCmd.Parameters.AddWithValue("", HiddenField4.Value);
objCmd.Parameters.AddWithValue("", Editor1.Content.ToString());
objCmd.Parameters.AddWithValue("", TextBox3.Text);
// execute the command
objCmd.ExecuteNonQuery();
}
}
}
I am getting the error as: ERROR [42000] [MySQL][ODBC 3.51 Driver][mysqld-5.1.51-community]You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'order,orderdate) VALUES ('04050040272009',' &' at line 1
The datatype for fields in table temp_save are:
fil_no-->INT(15)( to store a 15 digit number)
order-->LONGTEXT(to store contents from HTMLEditor(ajax control))
orderdate-->DATE(to store date)
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Sep 29, 2010
I have a problem that I can't figure out. I shall read an images from a column in a MySQL database. I use a simple aspx page and the codebehind file with the code below.
It is ok to read the image if I don't use any parameter value in the where clause, but if I use it, nothing is returned. I don't know if I have done anything wrong in the code. I have also tried to set a proper value on the parameter.value without success. So my conclusion is that the parameter sertup is wrong in my code.
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim PictureID As Integer = Convert.ToInt32(Request.QueryString("id"))
'Connect to the database and bring back the image contents & MIME type for the specified picture
[Code]....
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Mar 29, 2010
I am trying to make connection to a remote database server and I am getting the following message. I think i have to grant access to the client maching from my database server.. How do i grant access to an ip addess?
ERROR [HY000] [MySQL][ODBC 5.1 Driver]Access denied for user 'thelp'@'123.29.14.30' (using password: YES)
ERROR [HY000] [MySQL][ODBC 5.1 Driver]Access denied for user 'thelp'@'123.29.14.30'(using password: YES)
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Jan 19, 2010
I am with GoDaddy (yeah, yeah, don't want to hear it) and must use ODBC to connect to my MySQL database. The connections are working fine but I have a GridView/DetailsView parent/child relationship set up between 3 pages. I know that these pages worked with a .NET Connector locally but after I changed them to ODBC, I only get the first part of the page, nothing that depends on data being selected works. This has led me to believe that I must alter the way I pass parameters to the next request page. I have read some things about using a question mark but I cannot figure out how I should apply it to my page as most examples are in C# or VB. My page is mostly pure ASP.NET and I'm not sure if I still continue to utilize the asp:ControlParameter. the code below.
how to get GoDady to alter their medium trust to accept sockets???? That's all it would take
This is the page my employees will use to view the people in the database and then select them and have a details view of that particular cust_code (customer code) pop up to the right of the gridview:
[Code]....
This is the page ( UpdatePrefCustomers.aspx ) that my employees, who will be allowed access it (yes, I already know how to apply authorization but will do it last before deployment so it doesn't drive me crazy when I preview in browser), will use to add, edit, and delete from the database. It must be accessed first and the other two pages, prefcust_edit.aspx and prefcust_insertt.aspx are called from it by passing the parameter cust_code:
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Here is the prefcust_edit.aspx page:
[Code]....
Here is the prefcust_insert.aspx page:
[Code]....
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Feb 17, 2010
System.Data.Odbc.OdbcException: ERROR [HY000] [MySQL][ODBC 3.51 Driver]Can't connect to MySQL server on '127.0.0.1' (10048)ERROR [HY000] [MySQL][ODBC 3.51 Driver]Can't connect to MySQL server on '127.0.0.1' (10048)
[Code]...
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Jun 10, 2010
I am using ODBC command and adding parameters to it. But it always keeps on saying procedure proc_Update expects a parameters @id which was not supplies ( this errors comes for all the paramters that I add).
Here is my code:
[Code]....
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Jul 9, 2013
I'm busy working on an ASP.NET Web Application (3.5) and can't seem to connect to a MySQL DB. I first created the entire application using a WinForms template and everything works 100%, but as soon as I move the exact same code to the Web Application, I can't connect anymore. Here's the code:
Code:
public class DBC {
OdbcConnection connection;
public bool CreateConnection() {
try {
string connFormat = "Driver={MySQL ODBC 5.1 Driver};Server=[SERVER];Database=[DBNAME];User=[UID];Password=[PWD];";
connFormat = connFormat.Replace("[SERVER]", Properties.Settings.Default.DBServer);
[Code] .....
As soon as I try to create the new OdbcConnection instance, I get the error:
Code: ERROR [IM002] [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified
As noted this works in a WinForms app, and even more strange is that I don't even specify a DSN name...
All I could find from reading through forums all over the internet is suggestions of downgrading the MySQL ODBC driver version, which I'd really rather not...
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May 15, 2010
I did all the instructions which are in the following link: [URL] in order to do a connection between MySQL database and ASP.NET but I did not successed. Sometimes, it told me that I have a mistake in the <asp: button> and sometimes it told me that I did a mistake in calling (addImage) method. And this is my whole code:-
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="HW5._Default" %>
<script>
public class DataAccess
{
private string _strConn =
@"Driver= {MySQLODBC 3.51 Driver};SERVER=localhost;DATABASE=test1;";
private OdbcConnection _objConn;
public DataAccess()
{
this._objConn = new OdbcConnection(this._strConn);
}
// This function adds the Images to database
public string addImage(timestamp id, byte [] data,string extension)
{
string strSql = "SELECT * FROM File";
DataSet ds = new DataSet("Image");
OdbcDataAdapter tempAP = new OdbcDataAdapter(strSql,this._objConn);
OdbcCommandBuilder objCommand = new OdbcCommandBuilder(tempAP);
tempAP.Fill(ds,"Table");
try
{
this._objConn.Open();
DataRow objNewRow = ds.Tables["Table"].NewRow();
objNewRow["Extension"] = extension;
objNewRow["Data"] = buffer;
objNewRow["ID"] = id;
ds.Tables["Table"].Rows.Add(objNewRow);
// trying to update the table to add the image
tempAP.Update(ds,"Table");
}.....................................
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Jan 12, 2011
my webserver is in the DMZ. The Database in the intranet. For connection from webserver to database the following entry is made in the odbc connection "TCPIP BCAST=NO;HOST=Intranet.Firma.local,Intranet_Spiegel.Firma.local,Intranet_Arbiter.Firma.local;PORT=2639}"
how to get this options in the connection strings working, or how i must modify the entitiy framework connection string to use the odbc entry?
<add name="KA_Entities" connectionString="metadata=res://*/Models.KA_Model.csdl|res://*/Models.KA_Model.ssdl|res://*/Models.KA_Model.msl;provider=iAnywhere.Data.SQLAnywhere;provider connection string="UserID=user;Password=password;DataSourceName=Databasename""
providerName="System.Data.EntityClient" />
<add name="KAPortal" connectionString="UserID=user;Password=password;DataSourceName=Databasename" providerName="iAnywhere.Data.SQLAnywhere" />
I tried to use odbcfor the entity framework, but the Wizard always add the right .NET Provider and not the odbc
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Jan 4, 2011
Connection Error MySqln the pictureImageof Visual Studio 20
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Feb 15, 2010
I keep getting this error when inserting a lot of data into a mysql databaseERROR [HY000] [MySQL][ODBC 3.51 Driver][mysqld-5.1.40-community]Got a packet bigger than 'max_allowed_packet' byte
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Feb 14, 2011
Although the below connection string works for Select, Insert and Delete functions I can't get to work with Update.
Returns error 'unable to connect to MySQL hosts'
Sub Edit (sender As Object, e As EventArgs)
Dim myConnection As MySqlConnection[code]...
I have fried a multitude of combinations, also from MySQL site without success.
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Feb 25, 2010
How to run a asp.net with mysql db connection web page in a webserver using mysqlconnector?
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Jun 9, 2010
I am using microsoft enterprise libarary to connect to mysql using mysql .net connector (latest version 6.2.3)
But i am facing a problem of too many connections and connection pool reached maximum limit issue.
As connection is disposed by enterprise library iteself so i dont close the connection anywhere.
So after two or three hours i found i have 100 mysql connections in sleep mode which are doing nothing and are not being reused from the code .
So i want to ask is there any issue with my code or is there any issue with mysql connector
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Jan 21, 2011
To start, I am a new web developer. I have been writing C# for about a year, but just recently learning web development. I wrote an application that connects to a MySql database and when I run it on my localhost it wokrs great! I created a ubuntu server on amazon ec2 and it is hosting my MySql server. It is up and running just fine. I created a windows 2008 server instance on amazon ec2 to host my asp.net project. I published my project to my windows server and I went to my public IP address and my site was there! it was so easy...
However, when I went to login, I recieved this error: Could not load file or assembly 'MySql.Data, Version=6.3.5.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d' or one of its dependencies. The system cannot find the file specified. I made sure the correct connector was installed on ym server. I have the most recent mysql connector installed. I do not know how the publish actually works. I saw some forum posts that said maybe I was missing DLLs from my bin directory but I cannot even find my bin directory for my project on the server. I also saw some posts about changing the web config file, but that was gibberish to me at this level.
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Apr 14, 2010
The problem I have is that I've got a simple ASP.NET page. On it, I have a dropdownlist that is calling values from a MySQL table.
When I select a value from the list, I want to create/update a GridView.
I've created the code, which works if I hard code the parameter, but I want to use the DataValueField from the drop down list.
Is this possible?
[Code]....
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Dec 26, 2010
i was just using mysql i installed mysql and mysql net connector. its installed successfully but unable tp add to references.
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Jan 4, 2010
how to connect ASP to MySQL database. I have already install MySQL in my localhost, Add a connection through Data Source (ODBC) in ctrl panel and test connection succeed. Now I want to show the query on my default.aspx page so that I can do the insert / update / delete my table data in MySQL.
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