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Assaf82 wrote: i want to merge them
I'd probably just create a third project and add the sources of the two others into the third. You then have the third one, being fresh, and the other two as original backups.
"Real programmers just throw a bunch of 1s and 0s at the computer to see what sticks" - Pete O'Hanlon
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Hey - I'm trying to open a connection to a database hosted on my Unix server remotely:
private static void OpenSqlConnection()<br />
{<br />
MySqlConnection oMySqlConn = new MySqlConnection();<br />
<br />
oMySqlConn.ConnectionString = "server=mydomain.com;database=uname_main;user id=uname_main;pwd=myPwd;pooling=false;port=3306;";<br />
<br />
<br />
<br />
try<br />
{<br />
<br />
oMySqlConn.Open();<br />
<br />
if (oMySqlConn.State == ConnectionState.Open) MessageBox.Show("Connection to MySQL opened through OLE DB Provider");<br />
<br />
oMySqlConn.Close();<br />
<br />
}<br />
<br />
catch (MySqlException ex)<br />
{<br />
<br />
MessageBox.Show(ex.Number + " - " + ex.Message, "DB-Connection");<br />
<br />
} <br />
<br />
<br />
}
Everything works fine (as in, I'm using all required libraries, such as MySQL.Data/MySQL.Data.MySQLClient) and I get no errors until I run this method. After about 8 seconds, it constantly says:
1042 - Unable to connect to any of the specified MySQL hosts.
I'm positive that my domain name is correct and that all login credentials are correct. In CPanel on my server I've added %, %.%.%.%, and my IP address as access hosts and I still can't seem to open the connection.
I've been working on this for hours but to no avail, and online help has proved not useful so far.
Any suggestions? I'd gladly appreciate some!
-Matt
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Perhaps I should mention that actually I'm not 100% sure which port I should be using, but everyone else seems to be using 3306. Is that correct as well? What steps must I take to make this connection possible?
I need my application to work with this database on my remote server directly so that I can keep multiple users synced up with stored data, etc.
Thanks again for any help; I need it!
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From what I found on forums.mysql.com the default port is correct. You don't even have to specify it in the connection string.
According to connectionstrings.com you should use the key password instead of pwd.
Do you have a firewall/router between the server and the internet? Is there a port forward specified for the port?
Experience is the sum of all the mistakes you have done.
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Hey thanks for the reply. I changed pwd to password but it still does not work. I never ordered a firewall with my hosting, but submitted a ticket to my host to see if there was any configuration things that need to be worked out anyway.
Also, what is port forwarding? Do I need to specify one?
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I just checked with my host and apparently in WHM you also have to add those access hosts. I did this but still get the error and synced it with the account at hand. Obviously something just isn't right...
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Your code looks right, assuming you did not change the default port. Check your firewall settings, and of course, check that the service is running for the database 
"Real programmers just throw a bunch of 1s and 0s at the computer to see what sticks" - Pete O'Hanlon
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Hello
How i can let the user select the server on my Pc instead of writting it?
any help will be greatly appreciated
Assaf
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What do you mean?
What server do you whant to select?
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i do project where i want to run it on any computer
this project connect the database on that Pc
through dataconnection which contain the severName and the database
so i do a form let the user specify those value.
The user write the Server in a textBox,
and he chose the database from a combobox
my question is there any method to collect the name of my sever ?
Thanks a lot
Assaf
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Hi , Have a good Day
if SQL Server Installed on the same PC With your Application
(Not a network connection)
Simply :
Type Your Server Name "(local)" With out the Quotation , But included the Arc's
(local) (local) (local) 
----
if you are planing to use your Application on the Other NetWork Pc's
please let me know , I have a Super class For Doing This 
Kind regards
I know nothing , I know nothing
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yes i plan to use my app. on other Pc
Thanks in advance Stark
Assaf
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using System;<br />
using System.Text;<br />
using System.Runtime.InteropServices;<br />
<br />
public class SqlLocator<br />
{<br />
[DllImport("odbc32.dll")]<br />
private static extern short SQLAllocHandle(short hType, IntPtr inputHandle, out IntPtr outputHandle);<br />
[DllImport("odbc32.dll")]<br />
private static extern short SQLSetEnvAttr(IntPtr henv, int attribute, IntPtr valuePtr, int strLength);<br />
[DllImport("odbc32.dll")]<br />
private static extern short SQLFreeHandle(short hType, IntPtr handle); <br />
[DllImport("odbc32.dll",CharSet=CharSet.Ansi)]<br />
private static extern short SQLBrowseConnect(IntPtr hconn, StringBuilder inString, <br />
short inStringLength, StringBuilder outString, short outStringLength,<br />
out short outLengthNeeded);<br />
<br />
private const short SQL_HANDLE_ENV = 1;<br />
private const short SQL_HANDLE_DBC = 2;<br />
private const int SQL_ATTR_ODBC_VERSION = 200;<br />
private const int SQL_OV_ODBC3 = 3;<br />
private const short SQL_SUCCESS = 0;<br />
<br />
private const short SQL_NEED_DATA = 99;<br />
private const short DEFAULT_RESULT_SIZE = 1024;<br />
private const string SQL_DRIVER_STR = "DRIVER=SQL SERVER";<br />
<br />
<br />
public static string[] GetServers()<br />
{<br />
string[] retval = null;<br />
string txt = string.Empty;<br />
IntPtr henv = IntPtr.Zero;<br />
IntPtr hconn = IntPtr.Zero;<br />
StringBuilder inString = new StringBuilder(SQL_DRIVER_STR);<br />
StringBuilder outString = new StringBuilder(DEFAULT_RESULT_SIZE);<br />
short inStringLength = (short) inString.Length;<br />
short lenNeeded = 0;<br />
<br />
try<br />
{<br />
if (SQL_SUCCESS == SQLAllocHandle(SQL_HANDLE_ENV, henv, out henv))<br />
{<br />
if (SQL_SUCCESS == SQLSetEnvAttr(henv,SQL_ATTR_ODBC_VERSION,(IntPtr)SQL_OV_ODBC3,0))<br />
{<br />
if (SQL_SUCCESS == SQLAllocHandle(SQL_HANDLE_DBC, henv, out hconn))<br />
{<br />
if (SQL_NEED_DATA == SQLBrowseConnect(hconn, inString, inStringLength, outString, <br />
DEFAULT_RESULT_SIZE, out lenNeeded))<br />
{<br />
if (DEFAULT_RESULT_SIZE < lenNeeded)<br />
{<br />
outString.Capacity = lenNeeded;<br />
if (SQL_NEED_DATA != SQLBrowseConnect(hconn, inString, inStringLength, outString, <br />
lenNeeded,out lenNeeded))<br />
{<br />
} <br />
}<br />
txt = outString.ToString();<br />
int start = txt.IndexOf("{") + 1;<br />
int len = txt.IndexOf("}") - start;<br />
if ((start > 0) && (len > 0))<br />
{<br />
txt = txt.Substring(start,len);<br />
}<br />
else<br />
{<br />
txt = string.Empty;<br />
}<br />
} <br />
}<br />
}<br />
}<br />
}<br />
catch
{<br />
#if (DEBUG)<br />
#endif <br />
txt = string.Empty;<br />
}<br />
finally<br />
{<br />
if (hconn != IntPtr.Zero)<br />
{<br />
SQLFreeHandle(SQL_HANDLE_DBC,hconn);<br />
}<br />
if (henv != IntPtr.Zero)<br />
{<br />
SQLFreeHandle(SQL_HANDLE_ENV,hconn);<br />
}<br />
}<br />
<br />
if (txt.Length > 0)<br />
{<br />
retval = txt.Split(",".ToCharArray());<br />
}<br />
<br />
return retval;<br />
}<br />
}<br />
This Class return All the SQL Server , from the Other PC's on the network
by using this Function GetServers
(THIS CLASS RETURN ONLY THE PC'S That SQL SERVER INSTALLED ON IT)
P.S
it's return String Array Which is easily Can add to combo box
Kind regards ,
I know nothing , I know nothing
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Ever heard of SMO? All of that gets replaced with 5 lines of code:
DataTable dtServers = SmoApplication.EnumAvailableSqlServers(false);
foreach (DataRow row in dtServers.Rows)
{
string sqlServerName = row["Server"].ToString();
if (row["Instance"] != null && row["Instance"].ToString().Length > 0)
sqlServerName += @"\" + row["Instance"].ToString();
}
SMO Essentials[^]
MSDN[^]
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I like that approach better
"Real programmers just throw a bunch of 1s and 0s at the computer to see what sticks" - Pete O'Hanlon
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Realy nice solution, thanks!
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yeah I hear of it , thank for you
but I am still using VS 2003 . NET 1.1 Which didn't support the SMO
thank you so much for this information
kind regards
I know nothing , I know nothing
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you could try SQL DMO instead - it's the predecessor to SMO which has most of the same functionality, in this case:
static public string[] GetSQLServers()
{
List<string> retval = new List<string>();
SQLDMO.Application sqlApp = new SQLDMO.ApplicationClass();
SQLDMO.NameList serverList = (SQLDMO.NameList)sqlApp.ListAvailableSQLServers();
foreach (string server in serverList)
{
retval.Add(server);
}
return retval.ToArray();
}
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I try the value (local) but it not working it give me an error:
"An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)"
but when i put the name of the server: Toshiba-owner\Dev
everything go well.
Thanks
Assaf
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My question seems simple, but I really can't find the answer!
How can I check which line in a TextBox the user has clicked on with the mouse??
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It has been a while, but I vaguely remember it is with Selection. When you click the cursor is moved to where you click and the current selection is updated (even if the selection length is zero, i.e. nothing is selected). From the position of the selection you can work out which line has been clicked on.
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Or you could just get the cursor position after the user clicks.
My current favourite word is: Waffle
Cheese is still good though.
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Wouldn't the form's top-left corner have to be at 0,0 at all times for that to work properly? I mean, if the user moves the form around, the cursor position will vary every time he/she clicks.
Virtual1ty
"Any fool can learn from his own mistakes, but a wise man learns from mistakes of others"
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No, no, no, no no. I meant the regular cursor -> |
Not the mouse cursor  . There should be a property for the text box, i think its either textBox.Cursor, textBox.Cursor.Position, or textBox.CursorPosition. Or something like that anyway.
Of course, that would give you the index of the current letter the cursor is next to, it would then be up to you to figure out what line that was, perhaps by looking for all newline symbols that occure before it (Environment.NewLine, or "\r\n")
My current favourite word is: Waffle
Cheese is still good though.
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