MySQL Returning Only Column Name Not Value
Dec 30, 2011
myCommand.CommandText = "SELECT 'USED' FROM `KEYS` WHERE `KEYS`.`KEY` = '" + TextBox1.Text + "'"
Dim myReader As MySqlDataReader
myReader = myCommand.ExecuteReader
While (myReader.Read())
MessageBox.Show(myReader.GetString(0))
End While
The returning string is "USED". But that is wrong: it should be returning integer 0 instead. Why is that? I changed the MessageBox line to MessageBox.Show(myReader.GetInt16(0)) but now it sends me an error telling me that the input string is not in the right format..
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Jun 2, 2011
So I have a text box in a form. The test box needs to take the value entered and insert it into a column within a row in MySQL. I know it's connecting to the MySQL online, I have a message box telling me so upon a successful connection. I'm just having problems adding the value. Here's my code: Public Class frmOptions Dim ServerString As String = "server=db4free.net; Port =3306; user id=dailylogmain; password=XXXXXXX; database=dailylogmain;" Dim SQLConnection As MySqlConnection = New MySqlConnection
Private Sub frmOptions_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[Code]...
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Jan 22, 2009
If sqlquery = "Select admin FROM userlist = True" Then
Form2.Show()
Else
Form1.Show()
End If
My login script works its checking if admin from userlist = true is what i can't seem to get working.
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Mar 30, 2012
I have a working login script. It connects to my database but i need to have it search the column status to see if the user loging in is either admin user or mod. and so far i can't get anything to work.Here is my code i have for it checking the column
Code:If sqlquery = "Select * FROM userlist WHERE status = 'admin'" Then Form2.Show() Else Form1.Show() End If
[code]....
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Sep 3, 2011
I have just learned MySQL in VB.NET, but I am having a complication..When I grab a SELECT Query, I want to get - lets say the 'username' column in each row it receives. How would I do that?
MySQL.CommandText = "SELECT * FROM online"
MySQL.ExecuteNonQuery()
Label1.Text = 'usernamehere'
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Aug 29, 2011
I learned about this query 2 days ago:-
SELECT SUM(DTotal) AS Monthly FROM bdailytotal
but how I'm going to view the total value of the summation? I had been searching for this but most of the answers I get is for PHP. Can someone show me how to assign that total value to a variable in VB.NET?
Or teach me how to assign that total value to another table.
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Jan 26, 2011
I am trying to set up a query to return data to a VB.Net datagrid. I want to rollup the results into a new column kinda like below:[code]I tried using "group_concat" but for some reason it rolled up the entire list on teams into a column regardless of match_no.[code]
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Mar 22, 2009
I have mysql database with one table , and I want to show the columns' names re;taed to the table in combobox in vb 2005
this is my mysql command :
SQL1 = " select column_name from information_schema.columns where table_name='others'; "
this is my code after execute the command and store the data set in variable ( DS ) which its type is "DataSet " :
If DS.Tables(0).Columns.Count > 0 Then
For j As Integer = 0 To DS.Tables(0).Rows.Count - 1
list1.Items.Add(DS.Tables(0).Rows(0).ToString)
Next (j)
End If
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Mar 15, 2012
I have a datagridview with 4 columns (id, name, ticket_number, destination), i just want that datagridview on column "ticket_number" to display ticket_number from mysql database and another 3 columns for user input.
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Jul 5, 2012
i have a mysql database with columns like this : id||username||password||profile and i want to get all the data saved under the ID column and place them into a richbox
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Sep 8, 2011
I'm using VB.net to write a MYSQL application and one feature I need to add is the ability to add a column for each week that my employees worked. For example I want the first column to be called "W1" and the next one to be "W2" and so on, right up to "W52". How would I add a column to my table and have it's name add 1 to its current value? If there wasn't any letters in the name it would be easy but I need it to have the "W" in the title as well to avoid confusion. to add the column I have this:
Alter Table Manager ADD W1 MediumINT;
I just need the part that adds an INTEGER to a VARCHAR datatype if possible... Maybe there should be some sort of data type conversion involved? Just to explain further, the black bar at the very top are the date stamps for each week, I would like to have this included in the datagridview if possible but it is not required. Under each week column the employees will be entering the percents they worked (example: 20%, or 0.20 is one day of work) I know this is an odd way of doing things but its mandatory... and i was wondering if it were possible to automate the creation of these columns rather than me having to manually enter them.
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Dec 1, 2010
the only way i could get a VB.Net program to insert a timestamp into a mysql db was using Now() in the VB and putting the column as Var Char in the Mysql DB. Have i royally screwed myself or can i still pull this back in PHP and manipulate the data, ie select * from test where date between...etc.How does mysql interpret a var char column in terms of dates/times?
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Jul 4, 2010
I have written some code so i can connect to a Mysql db. But how can i get like an array of the columnnames?
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Apr 7, 2011
I am doing database coding for the first time. I wanted to get connected to MYSQL database with "Root" as username, "Password" as password , "DBNAME" as database name, "Local Host" as host and Append the contents of a textbox control to MYSQL column. So can anybody please post code bit in VB.Net for doing this task.
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May 2, 2012
I have column with bit datatype in sql server table(2008).while returing to text box its returning true in text box instead of 1.i tried converting it from true to 1 using txtboolvalue.text=Math.abs(CINT(ReturnList.Item(34)).tostring. But it doesnt convert true to 1
Secondly: im checking for columns in datatable if there are any nulls. its checking for nulls in the sqlserver table but its returning true if there is a null.i just want it to return NULL is there is null i textbox..
CODE:
Then
CODE:
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Sep 16, 2010
I'm developing in MVC2 using VB.NET and MySQL and ran into a problem trying to convert a simple SQL query to LINQ. SQL Query:
[Code]...
Looking at that query its easy to spot whats causing the error. Simply, the most inner query only returns 2 columns, while the query right above it is trying to SELECT 3, thus the Unknown Column Error. So why is this happening? What is wrong with my LINQ query?
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Mar 24, 2009
I am getting this error in MySQL on search for keywords. The error: Can't find FULLTEXT index matching the column list. My Database Table is a MyISAM and my dataTypes I am searching are Text. Any Ideas why I would get the above error?
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Jun 27, 2012
I have this MySQL Query glitch in my VB.NET program. Here is the query in VB.NET:
"SELECT Points FROM user WHERE Username = '" & UsernameText.Text & "';"
It will select the points column from the user table from the Username they entered. When I deploy this it will set the value for points to 0 on their account. I'm not even inserting anything in.
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Mar 15, 2012
I have an ASP.NET web application (VB.NET) using an Oracle database. On an insert, I need to get the identity of the inserted row back. I am trying to use RETURNING, but I keep getting a value of 1 returned.
Dim strInsert As String = "INSERT INTO L.TRANSACTIONS (LOCATION_KEY, TRANS_CREATOR, TRANS_EMAIL, TRANS_PHONE) VALUES (:location_key, :trans_creator, :trans_email, :trans_phone) RETURNING TRANS_ID INTO :ukey"
[Code].....
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Dec 12, 2011
My brain may just be fried since it's the end of the semester, but my teacher kicked this back to fix and resubmit...she said that I am "returning the name of your function rather than your variable name".
Here is my code for all 3 forms.
code:
These are forms to calculate the cost of getting a cell phone package.
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Apr 11, 2011
I have determined thanks to the last q & a that there is something wrong with my "save to db" code as well as my "retrieve to picture" code. Even If I manually save the pic in the db it stil wont retreive. This is code i patched together from 3 or 4 examples around the net.
Dim filename As String = txtName.Text + ".jpg"
Dim FileSize As UInt32
Dim ImageStream As System.IO.MemoryStream[code]......
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Sep 22, 2009
MySQL databases exists for saving values as strings (text only). Is there any way that i could store files with the same speed as a mysql command ? I know that it depends on the file size but lets say that the file is "Avatar.jpg" 50KB... I ve tried FTP but this is not what im looking for. e.g. You want your users been able to upload a file like the [Add This Attachment] button does in dreamincode.net and you dont have any background on PHP/HTML/Javascript/ASP.NET just VB.NET and the basics of MySQL plus you dont want to use it for a website. How do you accomplish this? Something silly that ive tried was opening an image as text then update the mysql server with that text but it didnt work backwards after i wrote the text on the file and oppened it ...it said that the image was corrupted.
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Jun 21, 2012
What i have going on, is i have a MySQL connector as a resource on my application, and im basically trying to connect to my MySQL server, to either a) register a new account, or b) check that the account exists and they are premium, and login, Now what i have run into problems with is: My MySQL Database Name has a _ in it which VB is not allowing for some strange reason.
The code i am using is below
Imports MySql.Data.MySqlClient
Public Class Form1
Function UpdateRecord(ByVal query As String) As Integer
[CODE]...
How i can allow the _ into the application, because the only databases that don't have a _ in the user or dbname are a) Paid ones which i DO NOT have the money for or self hosted ones, i cannot leave my computer on 24/7
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May 3, 2010
I am trying to make a login system mysql try to connect to a mysql database.
Here is my code:
Imports MySql.Data.MySqlClient
Public Class LoginForm1
Dim MySqlConnection As MySqlConnection
Private Sub OK_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles OK.Click
MySqlConnection = New MySqlConnection()
[code]....
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Aug 27, 2011
i Built A MySQL Login System Using MySQL Connector But If Other People Want To Use The Program Thay Get An Error, I Think This Is Due To Thay Do Not Have The Connector So What Should I Do, Btw Dont Say 'Tell Them To Connector'!
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Nov 16, 2009
Im building an app to manage PSP contents, and it should connect to my MySQL server on my domain to refresh game info and ratings and so on, but I cant make it connect with MySQL Connector 6.1.
[Code]...
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Jan 30, 2011
I can have mysql database. but i have not mysql. how to connect this database vb.net 2005. but i have mysql-connector-net . I want to mysql-connector-net use to connect this database. database path(C:Documents and SettingsAdminMy DocumentsVB.NETStock delnaSTC.sql)
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Mar 21, 2011
I have a query from within my vb.net code which searchs for a record by date. The date being entered via the code is in format dd/mm/yyyy, i need to search in the database using yyyy/mm/dd? Ideally i thought there may just be a function within MySQL which will convert this. If not in vb.net to convert the string 01/01/2011 to 2011/01/01?
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Feb 26, 2012
What i am trying to do is get my system to look into the database and recognize if the user is a admin or a user, based on that they have certain rights below is my code
Imports MySql.Data.MySqlClient
Imports System.Data.SqlClient
Public Class Form3
[code]....
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Apr 9, 2010
How to add a checkbox column at first column of datagridview including column header?After adding, how to code to "check all" or "uncheck all"?
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