How do I list name of the active SQL Server thru VB.NET code?
any help would be appreciated .. thanks
Winanjaya
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How do I list name of the active SQL Server thru VB.NET code?
any help would be appreciated .. thanks
Winanjaya
I found this code somewhere on net:
regard jCode:using System;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
namespace Driven
{
public class SQLLocator
{
[DllImport("odbc32.dll")]
private static extern short SQLAllocHandle(short hType, IntPtr inputHandle, out IntPtr outputHandle);
[DllImport("odbc32.dll")]
private static extern short SQLSetEnvAttr(IntPtr henv, int attribute, IntPtr valuePtr, int strLength);
[DllImport("odbc32.dll")]
private static extern short SQLFreeHandle(short hType, IntPtr handle);
[DllImport("odbc32.dll",CharSet=CharSet.Ansi)]
private static extern short SQLBrowseConnect(IntPtr hconn, StringBuilder inString, short inStringLength, StringBuilder outString, short outStringLength, out short outLengthNeeded);
private const short SQL_HANDLE_ENV = 1;
private const short SQL_HANDLE_DBC = 2;
private const int SQL_ATTR_ODBC_VERSION = 200;
private const int SQL_OV_ODBC3 = 3;
private const short SQL_SUCCESS = 0;
private const short SQL_NEED_DATA = 99;
private const short DEFAULT_RESULT_SIZE = 1024;
private const string SQL_DRIVER_STR = "DRIVER=SQL SERVER";
public static string[] GetServers()
{
string[] retVal = null;
string txt = string.Empty;
IntPtr henv = IntPtr.Zero;
IntPtr hconn = IntPtr.Zero;
StringBuilder inString = new StringBuilder(SQL_DRIVER_STR);
StringBuilder outString = new StringBuilder(DEFAULT_RESULT_SIZE);
short inStringLength = (short) inString.Length;
short lenNeeded = 0;
try
{
if (SQL_SUCCESS == SQLAllocHandle(SQL_HANDLE_ENV, henv, out henv))
{
if (SQL_SUCCESS == SQLSetEnvAttr(henv,SQL_ATTR_ODBC_VERSION,(IntPtr)SQL_OV_ODBC3,0))
{
if (SQL_SUCCESS == SQLAllocHandle(SQL_HANDLE_DBC, henv, out hconn))
{
if (SQL_NEED_DATA == SQLBrowseConnect(hconn, inString, inStringLength, outString, DEFAULT_RESULT_SIZE, out lenNeeded))
{
if (DEFAULT_RESULT_SIZE < lenNeeded)
{
outString.Capacity = lenNeeded;
if (SQL_NEED_DATA != SQLBrowseConnect(hconn, inString, inStringLength, outString, lenNeeded, out lenNeeded))
throw new ApplicationException("Unabled to aquire SQL Servers from ODBC driver.");
}
txt = outString.ToString();
int start = txt.IndexOf("{") + 1;
int len = txt.IndexOf("}") - start;
if ((start > 0) && (len > 0))
txt = txt.Substring(start,len);
else
txt = string.Empty;
}
}
}
}
}
catch (Exception ex)
{
//Throw away any error if we are not in debug mode
#if (DEBUG)
MessageBox.Show(ex.Message,"Acquire SQL Servier List Error");
#endif
txt = string.Empty;
}
finally
{
if (hconn != IntPtr.Zero)
SQLFreeHandle(SQL_HANDLE_DBC,hconn);
if (henv != IntPtr.Zero)
SQLFreeHandle(SQL_HANDLE_ENV,hconn);
}
if (txt.Length > 0)
retVal = txt.Split(",".ToCharArray());
return retVal;
}
public static string[] GetCatalogs(string SQLServer, string UserName, string Password)
{
string[] retVal = null;
string txt = string.Empty;
IntPtr henv = IntPtr.Zero;
IntPtr hconn = IntPtr.Zero;
StringBuilder cnString = new StringBuilder(SQL_DRIVER_STR);
StringBuilder inString = new StringBuilder("SERVER=" + SQLServer + ";UID=" + UserName + ";PWD=" + Password + ";");
StringBuilder outString = new StringBuilder(DEFAULT_RESULT_SIZE);
short cnStringLength = (short) cnString.Length;
short inStringLength = (short) inString.Length;
short lenNeeded = 0;
try
{
if (SQL_SUCCESS == SQLAllocHandle(SQL_HANDLE_ENV, henv, out henv))
{
if (SQL_SUCCESS == SQLSetEnvAttr(henv,SQL_ATTR_ODBC_VERSION,(IntPtr)SQL_OV_ODBC3,0))
{
if (SQL_SUCCESS == SQLAllocHandle(SQL_HANDLE_DBC, henv, out hconn))
{
if (SQL_NEED_DATA == SQLBrowseConnect(hconn, cnString, cnStringLength, outString, DEFAULT_RESULT_SIZE, out lenNeeded))
{
if (SQL_NEED_DATA == SQLBrowseConnect(hconn, inString, inStringLength, outString, DEFAULT_RESULT_SIZE, out lenNeeded))
{
if (DEFAULT_RESULT_SIZE < lenNeeded)
{
outString.Capacity = lenNeeded;
if (SQL_NEED_DATA != SQLBrowseConnect(hconn, inString, inStringLength, outString, lenNeeded, out lenNeeded))
throw new ApplicationException("Unabled to aquire SQL Catalogs from ODBC driver.");
}
txt = outString.ToString();
int start = txt.IndexOf("{") + 1;
int len = txt.IndexOf("}") - start;
if ((start > 0) && (len > 0))
txt = txt.Substring(start,len);
else
txt = string.Empty;
}
}
}
}
}
}
catch (Exception ex)
{
//Throw away any error if we are not in debug mode
#if (DEBUG)
MessageBox.Show(ex.Message,"Acquire SQL Catalog List Error");
#endif
txt = string.Empty;
}
finally
{
if (hconn != IntPtr.Zero)
SQLFreeHandle(SQL_HANDLE_DBC,hconn);
if (henv != IntPtr.Zero)
SQLFreeHandle(SQL_HANDLE_ENV,hconn);
}
if (txt.Length > 0)
retVal = txt.Split(",".ToCharArray());
return retVal;
}
}
}
Hehe, isn't that C# code....:D