hello people I need help to connect to sqlserver this is my code
and that is the error returned
```
import odbc.sql;
import odbc.sqlext;
import odbc.sqlucode;
import odbc.sqltypes;
import std.stdio;
import std.string : fromStringz, toStringz;
version(Windows) {
string connectionString = "Driver={SQL
Server};Server=DESKTOP-E09IF8K;Database=ControlEmpleados;Trusted_Connection=True;SQLDriverConnect=True;";
} else {
string connectionString = "Driver={SQL
Server};Server=DESKTOP-E09IF8K;Database=ControlEmpleados;Trusted_Connection=True;";
}
alias SQLLEN = int; // Usamos `int` en lugar de `long` para
SQLLEN
SQLHENV env = SQL_NULL_HENV;
SQLHDBC conn = SQL_NULL_HDBC;
int main(string[] argv) {
SQLRETURN ret;
// Allocate an environment handle
ret = SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &env);
// Set the ODBC version environment attribute
if (!SQL_SUCCEEDED(ret = SQLSetEnvAttr(env,
SQL_ATTR_ODBC_VERSION, cast(SQLPOINTER*) SQL_OV_ODBC3, 0))) {
stderr.writefln("Failed to set ODBC version, SQL return
code: %d", ret);
return 1;
}
// Allocate a connection handle
SQLAllocHandle(SQL_HANDLE_DBC, env, &conn);
// Set login timeout to 3 seconds
SQLSetConnectAttr(conn, SQL_LOGIN_TIMEOUT, cast(SQLPOINTER)
3, 0);
writefln("Connecting to db with: %s", connectionString);
// Connect to the database
if (SQL_SUCCEEDED(ret = SQLDriverConnect(conn, null,
cast(char*) toStringz(connectionString), SQL_NTS, null, 0, null,
SQL_DRIVER_COMPLETE))) {
SQLCHAR[256] dbms_ver;
writeln("Connected");
// Get the DBMS version
SQLGetInfo(conn, SQL_DBMS_VER, cast(SQLPOINTER)dbms_ver,
dbms_ver.sizeof, null);
writefln(" - DBMS Version:\t%s", fromStringz(cast(char*)
dbms_ver));
// Execute SQL query
SQLHSTMT stmt = SQL_NULL_HSTMT;
SQLAllocHandle(SQL_HANDLE_STMT, conn, &stmt);
string query = "SELECT @@version";
ret = SQLExecDirect(stmt, cast(SQLCHAR*)
toStringz(query), SQL_NTS);
if (SQL_SUCCEEDED(ret)) {
SQLSMALLINT columns;
SQLNumResultCols(stmt, &columns);
while (SQL_SUCCEEDED(ret = SQLFetch(stmt))) {
for (SQLUSMALLINT i = 1; i <= columns; i++) {
SQLCHAR[512] buf;
SQLLEN indicator;
ret = SQLGetData(stmt, i, SQL_C_CHAR,
cast(SQLPOINTER) buf.ptr, buf.length, &indicator);
if (SQL_SUCCEEDED(ret)) {
if (indicator == SQL_NULL_DATA) {
write("\tNULL");
} else {
write("\t", fromStringz(cast(char*)
buf.ptr));
}
}
}
writeln();
}
} else {
stderr.writefln("Failed to execute query. SQL return
code: %d", ret);
writeErrorMessage(stmt);
}
// Free the statement handle
SQLFreeHandle(SQL_HANDLE_STMT, stmt);
// Disconnect from db and free allocated handles
SQLDisconnect(conn);
SQLFreeHandle(SQL_HANDLE_DBC, conn);
SQLFreeHandle(SQL_HANDLE_ENV, env);
} else {
stderr.writefln("Failed to connect to database. SQL
return code: %d", ret);
writeErrorMessage();
return 1;
}
return 0;
}
// If a call to SQL returns -1 (SQL_ERROR) then this function can
be called to get the error message
void writeErrorMessage(SQLHSTMT stmt = null) {
SQLCHAR[6] sqlstate;
SQLINTEGER nativeError;
SQLCHAR[SQL_MAX_MESSAGE_LENGTH] messageText;
SQLSMALLINT bufferLength = messageText.length;
SQLSMALLINT textLength;
SQLRETURN ret = SQLError(
env,
conn,
stmt,
&sqlstate[0],
&nativeError,
&messageText[0],
bufferLength,
&textLength
);
if (SQL_SUCCEEDED(ret)) {
writefln("SQL State %s, Error %d : %s",
fromStringz(cast(char*) sqlstate), nativeError,
fromStringz(cast(char*) messageText));
}
}
```
Running sql-d.exe
Connecting to db with: Driver={SQL
Server};Server=DESKTOP-E09IF8K;Database=ControlEmpleados;Trusted_Connection=True;SQLDriverConnect=True;
SQL State IM008, Error 0 : [Microsoft][ODBC SQL Server
Driver]Error en el cuadro de di�logo
Failed to connect to database. SQL return code: -1
Error Program exited with code 1
