public override void AddUsersToRoles(string[] usernames, string[] roleNames)
{
SecurityUtility.CheckArrayParameter(ref roleNames, true, true, true, 256, "roleNames");
SecurityUtility.CheckArrayParameter(ref usernames, true, true, true, 256, "usernames");
bool beginTranCalled = false;
try
{
SqlConnectionHolder holder = null;
try
{
holder = SqlConnectionHelper.GetConnection(_sqlConnectionString, true);
//CheckSchemaVersion(holder.Connection);
int numUsersRemaing = usernames.Length;
while (numUsersRemaing > 0)
{
int iter;
string allUsers = usernames[usernames.Length - numUsersRemaing];
numUsersRemaing--;
for (iter = usernames.Length - numUsersRemaing; iter < usernames.Length; iter++)
{
if (allUsers.Length + usernames[iter].Length + 1 >= 4000)
{
break;
}
allUsers += "," + usernames[iter];
numUsersRemaing--;
}
int numRolesRemaining = roleNames.Length;
while (numRolesRemaining > 0)
{
string allRoles = roleNames[roleNames.Length - numRolesRemaining];
numRolesRemaining--;
for (iter = roleNames.Length - numRolesRemaining; iter < roleNames.Length; iter++)
{
if (allRoles.Length + roleNames[iter].Length + 1 >= 4000)
{
break;
}
allRoles += "," + roleNames[iter];
numRolesRemaining--;
}
//
// Note: ADO.NET 2.0 introduced the TransactionScope class - in your own code you should use TransactionScope
// rather than explicitly managing transactions with the TSQL BEGIN/COMMIT/ROLLBACK statements.
//
if (!beginTranCalled && (numUsersRemaing > 0 || numRolesRemaining > 0))
{
(new SqlCommand("BEGIN TRANSACTION", holder.Connection)).ExecuteNonQuery();
beginTranCalled = true;
}
AddUsersToRolesCore(holder.Connection, allUsers, allRoles);
}
}
if (beginTranCalled)
{
(new SqlCommand("COMMIT TRANSACTION", holder.Connection)).ExecuteNonQuery();
beginTranCalled = false;
}
}
catch
{
if (beginTranCalled)
{
try
{
(new SqlCommand("ROLLBACK TRANSACTION", holder.Connection)).ExecuteNonQuery();
}
catch
{
}
beginTranCalled = false;
}
throw;
}
finally
{
if (holder != null)
{
holder.Close();
holder = null;
}
}
}
catch
{
throw;
}
}