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Yet another Java classpath problem

- by pypmannetjies

Hi I've been working on a project in Netbeans. Now I'd like to submit it and allow the markers to compile it with a script. However, I get the NoClassDefFoundError when I try to run via the command line. Even when setting the classpath to the current directory manually. javac Main.java works fine then calling java -classpath . Main gives: java -classpath . Main Exception in thread "main" java.lang.NoClassDefFoundError: Main (wrong name: pro ject2/Main) at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:620) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:12 4) at java.net.URLClassLoader.defineClass(URLClassLoader.java:260) at java.net.URLClassLoader.access$000(URLClassLoader.java:56) at java.net.URLClassLoader$1.run(URLClassLoader.java:195) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:276) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)

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Edit problem on asp.net mvc

- by ognjenb

<%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage<IEnumerable<MvcKVteam.Models.transporter>>" %> <asp:Content ID="Content1" ContentPlaceHolderID="TitleContent" runat="server"> Transporters </asp:Content> <asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server"> <h2>Transporters</h2> <table class="data-table" id=""> <tr> <th> Id </th> <th> ContactId </th> <th> Name </th> <th> Notes </th> <th> PreferredCurrency </th> <th> PriceList </th> <th> SeviceTypeAvailible </th> <th> Contact </th> </tr> <% foreach (var item in Model) { %> <tr> <td> <%= Html.Encode(item.Id) %> </td> <td> <%= Html.Encode(item.ContactId) %> </td> <td> <%= Html.Encode(item.Name) %> </td> <td> <%= Html.Encode(item.Notes) %> </td> <td> <%= Html.Encode(item.PreferredCurrency) %> </td> <td> <%= Html.Encode(item.PriceList) %> </td> <td> <%= Html.Encode(item.SeviceTypeAvailible) %> </td> <td> <%= Html.ActionLink("View contact info", "Edit", new { id = item.ContactId }) %> </td> </tr> <% } %> </table> <p> <%= Html.ActionLink("Create New", "Create") %> </p> This action for Edit: public ActionResult Edit(int id) { var FilesQuery1 = from i in FilesEntities.contact where i.Id == id select i; return View(FilesQuery1); } When click on "View contact info" link I have this error: The model item passed into the dictionary is of type 'System.Data.Objects.ObjectQuery`1[MvcKVteam.Models.contact]', but this dictionary requires a model item of type 'MvcKVteam.Models.contact'.

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Strange Problem with RPy2

- by jrara

Hello, After installing RPy2 from http://rpy.sourceforge.net/rpy2.html I'm trying to use it in Python 2.6 IDLE but I'm getting this error: >>> import rpy2.robjects as robjects >>> robjects.r['pi'] <RVector - Python:0x0121D8F0 / R:0x022A1760> What I'm doing wrong?

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Using inheritance and polymorphism to solve a common game problem

- by Barry Brown

I have two classes; let's call them Ogre and Wizard. (All fields are public to make the example easier to type in.) public class Ogre { int weight; int height; int axeLength; } public class Wizard { int age; int IQ; int height; } In each class I can create a method called, say, battle() that will determine who will win if an Ogre meets and Ogre or a Wizard meets a Wizard. Here's an example. If an Ogre meets an Ogre, the heavier one wins. But if the weight is the same, the one with the longer axe wins. public Ogre battle(Ogre o) { if (this.height > o.height) return this; else if (this.height < o.height) return o; else if (this.axeLength > o.axeLength) return this; else if (this.axeLength < o.axeLength) return o; else return this; // default case } We can make a similar method for Wizards. But what if a Wizard meets an Ogre? We could of course make a method for that, comparing, say, just the heights. public Wizard battle(Ogre o) { if (this.height > o.height) return this; else if (this.height < o.height) return o; else return this; } And we'd make a similar one for Ogres that meet Wizard. But things get out of hand if we have to add more character types to the program. This is where I get stuck. One obvious solution is to create a Character class with the common traits. Ogre and Wizard inherit from the Character and extend it to include the other traits that define each one. public class Character { int height; public Character battle(Character c) { if (this.height > c.height) return this; else if (this.height < c.height) return c; else return this; } } Is there a better way to organize the classes? I've looked at the strategy pattern and the mediator pattern, but I'm not sure how either of them (if any) could help here. My goal is to reach some kind of common battle method, so that if an Ogre meets an Ogre it uses the Ogre-vs-Ogre battle, but if an Ogre meets a Wizard, it uses a more generic one. Further, what if the characters that meet share no common traits? How can we decide who wins a battle?

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Java MySQL Query Problem MySQLSyntaxErrorException When Creating a Table

- by Aqib Mushtaq

I fairly new to MySQL with Java, but I have executed a few successful INSERT queries however cannot seem to get the CREATE TABLE query to execute without getting the 'MySQLSyntaxErrorException' exception. My code is as follows: import java.sql.*; Statement stmt; Class.forName("com.mysql.jdbc.Driver"); String url = "jdbc:mysql://localhost:3306/mysql"; Connection con = DriverManager.getConnection(url, "root", "password"); stmt = con.createStatement(); String tblSQL = "CREATE TABLE IF NOT EXISTS \'dev\'.\'testTable\' (\n" + " \'id\' int(11) NOT NULL AUTO_INCREMENT,\n" + " \'date\' smallint(6) NOT NULL\n" + ") ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;"; stmt.executeUpdate(tblSQL); stmt.close(); con.close(); And the error is as follows: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: 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 ''dev'.'testTable' ( 'id' int(11) NOT NULL AUTO_INCREMENT, 'date' smallint(6) N' at line 1 I would appreciate it if anyone could spot the mistake in this query, as I've tried executing this within phpMyAdmin and it works as it should. Thanks in advance.

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Custom field type:problem in page layout

- by AB

I have created a custom field type and its working properly but when I am adding it on page layout ,its not displaying any data in there.I am getting data from one of the list.I have added that field in list and its displaying all the data I want to select but on page layout its blank..... Any idea where i m getting wrong...?

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Upgrading Active Directory from 2000 to 2008

- by Doug

Our config is currently: 1 Windows 2000 domain controller running ISA2000, dhcp, dns 1 Windows 2003 domain controller as main file server, prob cert server as well, dhcp, dns 1 Windows 2008/Exchange2010 domain controller as Exchange server, DHCP,DNS Currently getting FRS errors on files server journalwrap error Currently getting FRS errors on othe DC's can't replicate from above Exchange DC holds Schema, rid,pdc, and infastructure roles File Server holds Domain namaing operation master role WOW, I didn't set this up, just inherited it. Am I right to assume that fixing the FRS errors is #1, what do I need to do for that? set enable journalwrap auto restore in registry? Demote W2000 domain controller, should that have any implications for ISA? We have Forefront to be deployed but that's another day Transfer Domain Nameing Role to Exchange server (I know or think having an Exchange server as DC isn't best practive) We will be getting another server W2008 to replace current file server and I thought it could takeover all roles once deployed Demote W2k3 file server and then raise functional domain level to 2008 Am I missing anything other that the sense to walk away? Thanks

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problem with fork()

- by john

I'm writing a shell which forks, with the parent reading the input and the child process parsing and executing it with execvp. pseudocode of main method: do{ pid = fork(); print pid; if (p<0) { error; exit; } if (p>0) { wait for child to finish; read input; } else { call function to parse input; exit; } }while condition return; what happens is that i never seem to enter the child process (pid printed is always positive, i never enter the else). however, if i don't call the parse function and just have else exit, i do correctly enter parent and child alternatingly. full code: int main(int argc, char *argv[]){ char input[500]; pid_t p; int firstrun = 1; do{ p = fork(); printf("PID: %d", p); if (p < 0) {printf("Error forking"); exit(-1);} if (p > 0){ wait(NULL); firstrun = 0; printf("\n> "); bzero(input, 500); fflush(stdout); read(0, input, 499); input[strlen(input)-1] = '\0'; } else exit(0); else { if (parse(input) != 0 && firstrun != 1) { printf("Error parsing"); exit(-1); } exit(0); } }while(strcmp(input, "exit") != 0); return 0; }

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ServerAlias * problem

- by nyrox

I have 3 websites on a dedicate server (with cent os and Plesk control panel) and one of these websites must ServerAlias * when I try this in httpd.include , other two websites alias on mastersite.com but I dont want this i solved it with dedicated ip , but now I want do it with one ip <VirtualHost xx.xx.xx.xx:80> ServerName mastersite.com:80 ServerAlias * UseCanonicalName Off SuexecUserGroup .. .. .. sorry for my English

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windows 64bit problem

- by renad

hi there, I have developed a windows application using C# VS 2008 and Sql 2005 express, i have testes the application on my machine and it works fine, my machine is win32 bit, when i tried the application on windows 64bit it keeps giving me an error message on the start of the application,although i installed the sql express on that machine but should i install .NETframwork3.5sp1 64 bit also? , the target machine is widows 7 64bit, also is there a technology or a way to make the application work in the following sequence: 1- the CD is auto run 2- the setup checks for the installed prerequists and install any necessery one without the interference of the user. one last question,should i rebuild the application on an 64 bit machine to make it work on 64 bit machine? thankx

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Problem with mysql query to replace a string

- by alex

I've used mysql's update replace function before, but even though I think I'm following the same syntax, I can't get this to work. Here's what I'm trying to do: UPDATE contained_widgets SET preference_values = REPLACE(preference_values, '<li><a_href="/enewsletter"><span class="not-tc">eNewsletter</span></a></li>', '<li><a_href="/enewsletter"><span class="not-tc">eNewsletter</span></a></li> <li> <a_href="/projects"><span class="not-tc">Projects</span></a></li>'); Query OK, 0 rows affected (0.00 sec) Rows matched: 77 Changed: 0 Warnings: 0 I don't see what I'm missing. Any help is appreciated. I edited "a " to "a_" because the site thinks I'm posting spam links otherwise.

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jquery problem with simple code

- by moustafa

why this code is not working var name = $("#name").val(); var email = $("#email").val(); var web = $("#web").val(); var comment = $("#comment").val(); if(name.length < 5){ $("#name").css("border-color","red"); } elseif (email.length < 5) { $("#email").css("border-color","red"); } elseif (web.length < 5) { $("#web").css("border-color","red"); } elseif (comment.length < 10) { $("#comment").css("border-color","red"); }else{ alert('ok'); } and each val for one like this <input id="name" type="text" size="24" />

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Problem with send email through joomla setup

- by hemant

Hi all, I have created a script in php for sending the email with attachment and i want to know if i ahve chnge some setting in joomla so that this works. Currently i am getting error as "Warning: mail() [function.mail]: SMTP server response: 501 5.5.4 Invalid Address in C:\xampp\htdocs\Joomla\Emailattachment.php on line 56 mail send ... ERROR! " Regards, Hemant

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Silly Objective-C inheritance problem when using property

- by Ben Packard

I've been scratching my head with this for a couple of hours - I haven't used inheritance much. Here I have set up a simple Test B class that inherits from Test A, where an ivar is declared. But I get the compilation error that the variable is undeclared. This only happens when I add the property and synthesize declarations - works fine without them. TestA Header: #import <Cocoa/Cocoa.h> @interface TestA : NSObject { NSString *testString; } @end TestA Implementation is empty: #import "TestA.h" @implementation TestA @end TestB Header: #import <Cocoa/Cocoa.h> #import "TestA.h" @interface TestB : TestA { } @property NSString *testProp; @end TestB Implementation (Error - 'testString' is undeclared) #import "TestB.h" @implementation TestB @synthesize testProp; - (void)testing{ NSLog(@"test ivar is %@", testString); } @end

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Business Objects: Refresh Data problem with .NET API

- by jlrolin

I'm currently using the BO API for .NET to connect to our reports database. In .NET, I'm getting the following error: Your security profile does not include permission to refresh Web Intelligence documents. (WIS 30253) Interestingly enough, I can log into BO, and I can refresh the data and grab prompts as I'm logged in. From .NET, with the same username and password, I can't seem to do so. Anybody have any thoughts on this?

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PHP MySQL Weird Update Problem

- by Tim

I have a heap based table in MySQL that I am trying to update via PHP, but for some reason, the updates do not seem to be taking place. Here is my test code: <?php $freepoints[] = 1; $freepoints[] = 2; $freepoints[] = 3; foreach ($freepoints as $entrypoint) { $query = "update gates set lane='{$entrypoint}' where traffic > 50 limit 50"; echo "$query\n"; mysql_query($query); echo mysql_affected_rows()."\n"; } ?> This outputs the following: update gates set lane='1' where traffic > 50 limit 50 50 update gates set lane='2' where traffic > 50 limit 50 50 update gates set lane='3' where traffic > 50 limit 50 50 In the database to start with lanes 1/2/3 had 0 records and lanes 4/5/6 had 100 records. From this I am expecting all 6 lanes to now have 50 records each. However when I look lanes 4/5/6 still have 100 records and 1/2/3 still have 0 records. When I copy the query "update gates set lane='1' where traffic 50 limit 50" into phpMyAdmin it works absolutely fine, so any ideas why it isn't working in my PHP script when mysql_affected_rows is saying it has updated 50 records?

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c# Generics problem

- by UpTheCreek

Can anyone tell me why this does not work? I would have thought the constraint would make it valid. public class ClassA<T> where T : ICommon { public ClassA() { ClassB b = new b(); IEnumerable<T> alist = new IList<T>; b.items = alist; //Error: cannot convert from IEnumerable<T> to IEnumerable<ICommon>' } } public class ClassB { IEnumerable<ICommon> items { get; set;} .... }

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Android - Linkify Problem

- by Ryan

I seem to be having trouble with the linkify I am using in my Custom Adapter. For some reason I recieve the following stack track when I click on one of the links: 06-07 20:49:34.696: ERROR/AndroidRuntime(813): Uncaught handler: thread main exiting due to uncaught exception 06-07 20:49:34.745: ERROR/AndroidRuntime(813): android.util.AndroidRuntimeException: Calling startActivity() from outside of an Activity context requires the FLAG_ACTIVITY_NEW_TASK flag. Is this really what you want? 06-07 20:49:34.745: ERROR/AndroidRuntime(813): at android.app.ApplicationContext.startActivity(ApplicationContext.java:550) 06-07 20:49:34.745: ERROR/AndroidRuntime(813): at android.content.ContextWrapper.startActivity(ContextWrapper.java:248) 06-07 20:49:34.745: ERROR/AndroidRuntime(813): at android.text.style.URLSpan.onClick(URLSpan.java:62) 06-07 20:49:34.745: ERROR/AndroidRuntime(813): at android.text.method.LinkMovementMethod.onTouchEvent(LinkMovementMethod.java:216) 06-07 20:49:34.745: ERROR/AndroidRuntime(813): at android.widget.TextView.onTouchEvent(TextView.java:6560) 06-07 20:49:34.745: ERROR/AndroidRuntime(813): at android.view.View.dispatchTouchEvent(View.java:3709) 06-07 20:49:34.745: ERROR/AndroidRuntime(813): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 06-07 20:49:34.745: ERROR/AndroidRuntime(813): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 06-07 20:49:34.745: ERROR/AndroidRuntime(813): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 06-07 20:49:34.745: ERROR/AndroidRuntime(813): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 06-07 20:49:34.745: ERROR/AndroidRuntime(813): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 06-07 20:49:34.745: ERROR/AndroidRuntime(813): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 06-07 20:49:34.745: ERROR/AndroidRuntime(813): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 06-07 20:49:34.745: ERROR/AndroidRuntime(813): at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:884) 06-07 20:49:34.745: ERROR/AndroidRuntime(813): at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1659) 06-07 20:49:34.745: ERROR/AndroidRuntime(813): at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1107) 06-07 20:49:34.745: ERROR/AndroidRuntime(813): at android.app.Activity.dispatchTouchEvent(Activity.java:2061) Here is the code that is calling it: TextView bot = new TextView( c ); bot.setText(li.getBottomText()); bot.setTextColor(Color.BLACK); bot.setTextSize(12); bot.setPadding(50, 35, 0, 10); Linkify.addLinks(bot, Linkify.ALL); rL.addView(bot,ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT); I understand what the error is saying but I am not sure how to fix it. Does anyone have any ideas? Thanks in advance for your help!

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Java - Thread problem

- by Yatendra Goel

My question is related to all those methods(including Thread.sleep(...)) which throw InterruptedException. I found a statement on Sun's tutorial saying InterruptedException is an exception that sleep throws when another thread interrupts the current thread while sleep is active. Is that means that the interrupt will be ignored if the sleep is not active at the time of interrupt? Suppose I have two threads: threadOne and threadTwo. threadOne creates and starts threadTwo. threadTwo executes a runnable whose run method is something like: public void run() { : : try { Thread.sleep(10 * 1000); } catch (InterruptedException e) { return; } : : : // In the middle of two sleep invocations : : try { Thread.sleep(10 * 1000); } catch (InterruptedException e) { return; } : : } After thread creation, threadOne interrupts threadTwo. Suppose the threadTwo is in the middle of two sleep invocations at the time of interrupt (when no sleep method was active), then will the second sleep method throw InterrupteException as soon as it is invoked? If not, then will this interrupt will be ignored forever? How to be sure that threadTwo will always know about the interrupt (doesn't matter whether its one of the sleep method is active or not)?

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3-legged-oauth and Google ContactsClient problem

- by PanosJee

Hi I am using 3-legged-oauth to import a users' Google contacts in my app. I did not find the ContactsClient library but i was using only the ContacsService and i was fetching the ContactsFeed but that resulted to not having a lot of data. After the user allows my apps i store the auth_token key and secret so i can run a cron task to fetch contacts' updates I am using this code atm: google = gdata.contacts.service.ContactsService(source=GOOGLE_OAUTH_SETTINGS['APP_NAME']) google.SetOAuthInputParameters(GOOGLE_OAUTH_SETTINGS['SIG_METHOD'], GOOGLE_OAUTH_SETTINGS['CONSUMER_KEY'], consumer_secret=GOOGLE_OAUTH_SETTINGS['CONSUMER_SECRET']) access_token = gdata.auth.OAuthToken(user_oauth_token, user_oauth_secret) access_token.oauth_input_params = google.GetOAuthInputParameters() google.SetOAuthToken(access_token) feed = google.GetContactsFeed() When i try to use the contacts client contacts_client = gdata.contacts.client.ContactsClient( source=GOOGLE_OAUTH_SETTINGS['APP_NAME']) feed2 = contacts_client.GetContacts(auth_token = access_token) I get the following error (please note that the access_token is the same as above and I user 3-legged-oauth HMAC) Actual results: File "/Library/Python/2.5/site-packages/atom/client.py", line 108, in request auth_token.modify_request(http_request)

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Problem with Refreshing entire excel workbook

- by Nimo

Hi, I'm trying to refresh a entire excel workbook using Application.CalculateFull function. However, I found that, the sheet does not get not updated ALL the time (sometimes it do). A random number of functions only get updated at sometimes. I'm using excel 2007, please tell me what's going on with Application.CalculateFull function. Thank you

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What's the regex to solve this problem?

- by Yeti

I have an array in PHP with URLs like below: http://example.com/apps/1235554/ http://example.com/apps/apple/ http://example.com/apps/126734 http://example.com/images/a.jpg http://example.com/images/b.jpg http://example.com/apps/2331234/ http://example.com/apps/orange/ How can I separate out these urls and push them to another array using Regex: http://example.com/apps/1235554/ http://example.com/apps/126734 http://example.com/apps/2331234/ Only url with apps/{number}/ and apps/{number} should be selected.

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Spring Dispatcher Servlet Not Found Problem

- by hamam

I'm trying to build a simple spring web application but I get the following error when I run it on Apache Tomcat 6.0 Class Not Found Exception org.springframework.web.servlet.DispatcherServlet I'm using maven to handle libraries. At first I thought it was maven's fault but it adds spring and other libraries succesfully. I tried to import "org.springframework.web.servlet.DispatcherServlet" in a source file and my project has the right package and classes. My development environment : Ubuntu 10.4 Eclipse IDE Tomcat 6.0 I'd appreciate any help

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XSD - problem with schema generation

- by lm

Hello I'm tring to generate schema for some type from assembly with xsd.exe here is command line : xsd.exe TestAssemby.dll /t:TestType Here is error I got Error: There was an error processing 'TestAssemby.dll'. - Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information I copied referenced dll into folder where is located according to http://social.msdn.microsoft.com/Forums/en/xmlandnetfx/thread/308e4f3a-e1c3-43f5-b7a6-a82f1395997d but still get the same error I have questions : 1) What can be possible reasons of such error ? 2) How should be used LoaderExceptions property ? ( example will be very helpful) Thanks in advance

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C# problem with ADO

- by ahmed

When i use the following code, i get this error : "OleDbexception Syntax error in INSERT INTO statement. plz help me! { // add the new username System.Data.OleDb.OleDbCommandBuilder cb; cb = new System.Data.OleDb.OleDbCommandBuilder(da); DataRow dRow = cPD_DatabaseDataSet.Tables["users_table"].NewRow(); dRow[0] = this.textBox_add_user.Text ; dRow[1] = this.textBox_password.Text ; cPD_DatabaseDataSet.Tables["users_table"].Rows.Add(dRow); //add new record cb.GetUpdateCommand(); cb.GetInsertCommand(); //save new recode into the Access file da.Update(cPD_DatabaseDataSet, "users_table"); //clear textboxes this.textBox_add_user.Text = ""; this.textBox_password.Text = ""; this.textBox_re_password.Text = ""; } catch (System.Data.OleDb.OleDbException exp) { //close the connection this.con.Close(); MessageBox.Show(exp.ToString()); }`

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