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//------------------------------------------------------------------------------
// <copyright file="SqlRoleProvider.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.Security {
using System.Web;
using System.Web.Configuration;
using System.Security.Principal;
using System.Security.Permissions;
using System.Globalization;
using System.Runtime.Serialization;
using System.Collections;
using System.Collections.Specialized;
using System.Data;
using System.Data.SqlClient;
using System.Data.SqlTypes;
using System.Text;
using System.Configuration.Provider;
using System.Configuration;
using System.Web.DataAccess;
using System.Web.Hosting;
using System.Web.Util;
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public class SqlRoleProvider : RoleProvider
{
private string _AppName;
private int _SchemaVersionCheck;
private string _sqlConnectionString;
private int _CommandTimeout;
////////////////////////////////////////////////////////////
// Public properties
private int CommandTimeout
{
get{ return _CommandTimeout; }
}
public override void Initialize(string name, NameValueCollection config){
HttpRuntime.CheckAspNetHostingPermission (AspNetHostingPermissionLevel.Low, SR.Feature_not_supported_at_this_level);
if (config == null)
throw new ArgumentNullException("config");
if (String.IsNullOrEmpty(name))
name = "SqlRoleProvider";
if (string.IsNullOrEmpty(config["description"])) {
config.Remove("description");
config.Add("description", SR.GetString(SR.RoleSqlProvider_description));
}
base.Initialize(name, config);
_SchemaVersionCheck = 0;
_CommandTimeout = SecUtility.GetIntValue( config, "commandTimeout", 30, true, 0 );
_sqlConnectionString = SecUtility.GetConnectionString(config);
_AppName = config["applicationName"];
if (string.IsNullOrEmpty(_AppName))
_AppName = SecUtility.GetDefaultAppName();
if( _AppName.Length > 256 )
{
throw new ProviderException(SR.GetString(SR.Provider_application_name_too_long));
}
config.Remove("connectionString");
config.Remove("connectionStringName");
config.Remove("applicationName");
config.Remove("commandTimeout");
if (config.Count > 0)
{
string attribUnrecognized = config.GetKey(0);
if (!String.IsNullOrEmpty(attribUnrecognized))
throw new ProviderException(SR.GetString(SR.Provider_unrecognized_attribute, attribUnrecognized));
}
}
private void CheckSchemaVersion( SqlConnection connection )
{
string[] features = { "Role Manager" };
string version = "1";
SecUtility.CheckSchemaVersion( this,
connection,
features,
version,
ref _SchemaVersionCheck );
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
public override bool IsUserInRole(string username, string roleName)
{
SecUtility.CheckParameter(ref roleName, true, true, true, 256, "roleName");
SecUtility.CheckParameter(ref username, true, false, true, 256, "username");
if (username.Length < 1)
return false;
try {
SqlConnectionHolder holder = null;
try {
holder = SqlConnectionHelper.GetConnection(_sqlConnectionString, true);
CheckSchemaVersion( holder.Connection );
SqlCommand cmd = new SqlCommand("dbo.aspnet_UsersInRoles_IsUserInRole", holder.Connection);
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandTimeout = CommandTimeout;
SqlParameter p = new SqlParameter("@ReturnValue", SqlDbType.Int);
p.Direction = ParameterDirection.ReturnValue;
cmd.Parameters.Add(p);
cmd.Parameters.Add(CreateInputParam("@ApplicationName", SqlDbType.NVarChar, ApplicationName));
cmd.Parameters.Add(CreateInputParam("@UserName", SqlDbType.NVarChar, username));
cmd.Parameters.Add(CreateInputParam("@RoleName", SqlDbType.NVarChar, roleName));
cmd.ExecuteNonQuery();
int iStatus = GetReturnValue(cmd);
switch(iStatus)
{
case 0:
return false;
case 1:
return true;
case 2:
return false;
// throw new ProviderException(SR.GetString(SR.Provider_user_not_found));
case 3:
return false; // throw new ProviderException(SR.GetString(SR.Provider_role_not_found, roleName));
}
throw new ProviderException(SR.GetString(SR.Provider_unknown_failure));
}
finally
{
if( holder != null )
{
holder.Close();
holder = null;
}
}
}
catch
{
throw;
}
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
public override string [] GetRolesForUser(string username)
{
SecUtility.CheckParameter(ref username, true, false, true, 256, "username");
if (username.Length < 1)
return new string[0];
try {
SqlConnectionHolder holder = null;
try {
holder = SqlConnectionHelper.GetConnection(_sqlConnectionString, true);
CheckSchemaVersion( holder.Connection );
SqlCommand cmd = new SqlCommand("dbo.aspnet_UsersInRoles_GetRolesForUser", holder.Connection);
SqlParameter p = new SqlParameter("@ReturnValue", SqlDbType.Int);
SqlDataReader reader = null;
StringCollection sc = new StringCollection();
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandTimeout = CommandTimeout;
p.Direction = ParameterDirection.ReturnValue;
cmd.Parameters.Add(p);
cmd.Parameters.Add(CreateInputParam("@ApplicationName", SqlDbType.NVarChar, ApplicationName));
cmd.Parameters.Add(CreateInputParam("@UserName", SqlDbType.NVarChar, username));
try {
reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess);
while (reader.Read())
sc.Add(reader.GetString(0));
}
catch
{
throw;
}
finally
{
if (reader != null)
reader.Close();
}
if (sc.Count > 0)
{
String [] strReturn = new String[sc.Count];
sc.CopyTo(strReturn, 0);
return strReturn;
}
switch(GetReturnValue(cmd))
{
case 0:
return new string[0];
case 1:
return new string[0];
//throw new ProviderException(SR.GetString(SR.Provider_user_not_found));
default:
throw new ProviderException(SR.GetString(SR.Provider_unknown_failure));
}
}
finally
{
if( holder != null )
{
holder.Close();
holder = null;
}
}
}
catch
{
throw;
}
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
public override void CreateRole(string roleName)
{
SecUtility.CheckParameter(ref roleName, true, true, true, 256, "roleName");
try {
SqlConnectionHolder holder = null;
try {
holder = SqlConnectionHelper.GetConnection(_sqlConnectionString, true);
CheckSchemaVersion(holder.Connection);
SqlCommand cmd = new SqlCommand("dbo.aspnet_Roles_CreateRole", holder.Connection);
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandTimeout = CommandTimeout;
SqlParameter p = new SqlParameter("@ReturnValue", SqlDbType.Int);
p.Direction = ParameterDirection.ReturnValue;
cmd.Parameters.Add(p);
cmd.Parameters.Add(CreateInputParam("@ApplicationName", SqlDbType.NVarChar, ApplicationName));
cmd.Parameters.Add(CreateInputParam("@RoleName", SqlDbType.NVarChar, roleName));
cmd.ExecuteNonQuery();
int returnValue = GetReturnValue(cmd);
switch (returnValue) {
case 0 :
return;
case 1 :
throw new ProviderException(SR.GetString(SR.Provider_role_already_exists, roleName));
default :
throw new ProviderException(SR.GetString(SR.Provider_unknown_failure));
}
}
finally
{
if( holder != null )
{
holder.Close();
holder = null;
}
}
}
catch
{
throw;
}
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
public override bool DeleteRole(string roleName, bool throwOnPopulatedRole)
{
SecUtility.CheckParameter(ref roleName, true, true, true, 256, "roleName");
try {
SqlConnectionHolder holder = null;
try {
holder = SqlConnectionHelper.GetConnection(_sqlConnectionString, true);
CheckSchemaVersion( holder.Connection );
SqlCommand cmd = new SqlCommand("dbo.aspnet_Roles_DeleteRole", holder.Connection);
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandTimeout = CommandTimeout;
SqlParameter p = new SqlParameter("@ReturnValue", SqlDbType.Int);
p.Direction = ParameterDirection.ReturnValue;
cmd.Parameters.Add(p);
cmd.Parameters.Add(CreateInputParam("@ApplicationName", SqlDbType.NVarChar, ApplicationName));
cmd.Parameters.Add(CreateInputParam("@RoleName", SqlDbType.NVarChar, roleName));
cmd.Parameters.Add(CreateInputParam("@DeleteOnlyIfRoleIsEmpty", SqlDbType.Bit, throwOnPopulatedRole ? 1 : 0));
cmd.ExecuteNonQuery();
int returnValue = GetReturnValue(cmd);
if( returnValue == 2 )
{
throw new ProviderException(SR.GetString(SR.Role_is_not_empty));
}
return ( returnValue == 0 );
}
finally
{
if( holder != null )
{
holder.Close();
holder = null;
}
}
}
catch
{
throw;
}
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
public override bool RoleExists(string roleName)
{
SecUtility.CheckParameter( ref roleName, true, true, true, 256, "roleName" );
try {
SqlConnectionHolder holder = null;
try {
holder = SqlConnectionHelper.GetConnection(_sqlConnectionString, true);
CheckSchemaVersion( holder.Connection );
SqlCommand cmd = new SqlCommand("dbo.aspnet_Roles_RoleExists", holder.Connection);
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandTimeout = CommandTimeout;
SqlParameter p = new SqlParameter("@ReturnValue", SqlDbType.Int);
p.Direction = ParameterDirection.ReturnValue;
cmd.Parameters.Add(p);
cmd.Parameters.Add(CreateInputParam("@ApplicationName", SqlDbType.NVarChar, ApplicationName));
cmd.Parameters.Add(CreateInputParam("@RoleName", SqlDbType.NVarChar, roleName));
cmd.ExecuteNonQuery();
int returnValue = GetReturnValue(cmd);
switch(returnValue)
{
case 0:
return false;
case 1:
return true;
}
throw new ProviderException(SR.GetString(SR.Provider_unknown_failure));
}
finally
{
if( holder != null )
{
holder.Close();
holder = null;
}
}
}
catch
{
throw;
}
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
public override void AddUsersToRoles(string[] usernames, string[] roleNames)
{
SecUtility.CheckArrayParameter(ref roleNames, true, true, true, 256, "roleNames");
SecUtility.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--;
}
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;
}
}
private void AddUsersToRolesCore(SqlConnection conn, string usernames, string roleNames)
{
SqlCommand cmd = new SqlCommand("dbo.aspnet_UsersInRoles_AddUsersToRoles", conn);
SqlDataReader reader = null;
SqlParameter p = new SqlParameter("@ReturnValue", SqlDbType.Int);
string s1 = String.Empty, s2 = String.Empty;
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandTimeout = CommandTimeout;
p.Direction = ParameterDirection.ReturnValue;
cmd.Parameters.Add(p);
cmd.Parameters.Add(CreateInputParam("@ApplicationName", SqlDbType.NVarChar, ApplicationName));
cmd.Parameters.Add(CreateInputParam("@RoleNames", SqlDbType.NVarChar, roleNames));
cmd.Parameters.Add(CreateInputParam("@UserNames", SqlDbType.NVarChar, usernames));
cmd.Parameters.Add(CreateInputParam("@CurrentTimeUtc", SqlDbType.DateTime, DateTime.UtcNow));
try {
reader = cmd.ExecuteReader(CommandBehavior.SingleRow);
if (reader.Read()) {
if (reader.FieldCount > 0)
s1 = reader.GetString(0);
if (reader.FieldCount > 1)
s2 = reader.GetString(1);
}
}
finally
{
if (reader != null)
reader.Close();
}
switch(GetReturnValue(cmd))
{
case 0:
return;
case 1:
throw new ProviderException(SR.GetString(SR.Provider_this_user_not_found, s1));
case 2:
throw new ProviderException(SR.GetString(SR.Provider_role_not_found, s1));
case 3:
throw new ProviderException(SR.GetString(SR.Provider_this_user_already_in_role, s1, s2));
}
throw new ProviderException(SR.GetString(SR.Provider_unknown_failure));
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
public override void RemoveUsersFromRoles(string[] usernames, string[] roleNames)
{
SecUtility.CheckArrayParameter(ref roleNames, true, true, true, 256, "roleNames");
SecUtility.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--;
}
if (!beginTranCalled && (numUsersRemaing > 0 || numRolesRemaining > 0)) {
(new SqlCommand("BEGIN TRANSACTION", holder.Connection)).ExecuteNonQuery();
beginTranCalled = true;
}
RemoveUsersFromRolesCore(holder.Connection, allUsers, allRoles);
}
}
if (beginTranCalled) {
(new SqlCommand("COMMIT TRANSACTION", holder.Connection)).ExecuteNonQuery();
beginTranCalled = false;
}
} catch {
if (beginTranCalled) {
(new SqlCommand("ROLLBACK TRANSACTION", holder.Connection)).ExecuteNonQuery();
beginTranCalled = false;
}
throw;
} finally {
if( holder != null )
{
holder.Close();
holder = null;
}
}
} catch {
throw;
}
}
private void RemoveUsersFromRolesCore(SqlConnection conn, string usernames, string roleNames)
{
SqlCommand cmd = new SqlCommand("dbo.aspnet_UsersInRoles_RemoveUsersFromRoles", conn);
SqlDataReader reader = null;
SqlParameter p = new SqlParameter("@ReturnValue", SqlDbType.Int);
string s1 = String.Empty, s2 = String.Empty;
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandTimeout = CommandTimeout;
p.Direction = ParameterDirection.ReturnValue;
cmd.Parameters.Add(p);
cmd.Parameters.Add(CreateInputParam("@ApplicationName", SqlDbType.NVarChar, ApplicationName));
cmd.Parameters.Add(CreateInputParam("@UserNames", SqlDbType.NVarChar, usernames));
cmd.Parameters.Add(CreateInputParam("@RoleNames", SqlDbType.NVarChar, roleNames));
try {
reader = cmd.ExecuteReader(CommandBehavior.SingleRow);
if (reader.Read()) {
if (reader.FieldCount > 0)
s1 = reader.GetString(0);
if (reader.FieldCount > 1)
s2 = reader.GetString(1);
}
}
finally
{
if (reader != null)
reader.Close();
}
switch (GetReturnValue(cmd))
{
case 0:
return;
case 1:
throw new ProviderException(SR.GetString(SR.Provider_this_user_not_found, s1));
case 2:
throw new ProviderException(SR.GetString(SR.Provider_role_not_found, s2));
case 3:
throw new ProviderException(SR.GetString(SR.Provider_this_user_already_not_in_role, s1, s2));
}
throw new ProviderException(SR.GetString(SR.Provider_unknown_failure));
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
public override string [] GetUsersInRole(string roleName)
{
SecUtility.CheckParameter(ref roleName, true, true, true, 256, "roleName");
try {
SqlConnectionHolder holder = null;
try {
holder = SqlConnectionHelper.GetConnection(_sqlConnectionString, true);
CheckSchemaVersion( holder.Connection );
SqlCommand cmd = new SqlCommand("dbo.aspnet_UsersInRoles_GetUsersInRoles", holder.Connection);
SqlDataReader reader = null;
SqlParameter p = new SqlParameter("@ReturnValue", SqlDbType.Int);
StringCollection sc = new StringCollection();
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandTimeout = CommandTimeout;
p.Direction = ParameterDirection.ReturnValue;
cmd.Parameters.Add(p);
cmd.Parameters.Add(CreateInputParam("@ApplicationName", SqlDbType.NVarChar, ApplicationName));
cmd.Parameters.Add(CreateInputParam("@RoleName", SqlDbType.NVarChar, roleName));
try {
reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess);
while (reader.Read())
sc.Add(reader.GetString(0));
}
catch
{
throw;
}
finally
{
if (reader != null)
reader.Close();
}
if (sc.Count < 1)
{
switch(GetReturnValue(cmd))
{
case 0:
return new string[0];
case 1:
throw new ProviderException(SR.GetString(SR.Provider_role_not_found, roleName));
}
throw new ProviderException(SR.GetString(SR.Provider_unknown_failure));
}
String [] strReturn = new String[sc.Count];
sc.CopyTo(strReturn, 0);
return strReturn;
}
finally
{
if( holder != null )
{
holder.Close();
holder = null;
}
}
}
catch
{
throw;
}
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
public override string [] GetAllRoles(){
try {
SqlConnectionHolder holder = null;
try {
holder = SqlConnectionHelper.GetConnection(_sqlConnectionString, true);
CheckSchemaVersion( holder.Connection );
SqlCommand cmd = new SqlCommand("dbo.aspnet_Roles_GetAllRoles", holder.Connection);
StringCollection sc = new StringCollection();
SqlParameter p = new SqlParameter("@ReturnValue", SqlDbType.Int);
SqlDataReader reader = null;
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandTimeout = CommandTimeout;
p.Direction = ParameterDirection.ReturnValue;
cmd.Parameters.Add(p);
cmd.Parameters.Add(CreateInputParam("@ApplicationName", SqlDbType.NVarChar, ApplicationName));
try {
reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess);
while (reader.Read())
sc.Add(reader.GetString(0));
}
catch
{
throw;
}
finally
{
if (reader != null)
reader.Close();
}
String [] strReturn = new String [sc.Count];
sc.CopyTo(strReturn, 0);
return strReturn;
}
finally
{
if( holder != null )
{
holder.Close();
holder = null;
}
}
}
catch
{
throw;
}
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
public override string[] FindUsersInRole(string roleName, string usernameToMatch)
{
SecUtility.CheckParameter(ref roleName, true, true, true, 256, "roleName");
SecUtility.CheckParameter(ref usernameToMatch, true, true, false, 256, "usernameToMatch");
try {
SqlConnectionHolder holder = null;
try {
holder = SqlConnectionHelper.GetConnection(_sqlConnectionString, true);
CheckSchemaVersion( holder.Connection );
SqlCommand cmd = new SqlCommand("dbo.aspnet_UsersInRoles_FindUsersInRole", holder.Connection);
SqlDataReader reader = null;
SqlParameter p = new SqlParameter("@ReturnValue", SqlDbType.Int);
StringCollection sc = new StringCollection();
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandTimeout = CommandTimeout;
p.Direction = ParameterDirection.ReturnValue;
cmd.Parameters.Add(p);
cmd.Parameters.Add(CreateInputParam("@ApplicationName", SqlDbType.NVarChar, ApplicationName));
cmd.Parameters.Add(CreateInputParam("@RoleName", SqlDbType.NVarChar, roleName));
cmd.Parameters.Add(CreateInputParam("@UserNameToMatch", SqlDbType.NVarChar, usernameToMatch));
try {
reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess);
while (reader.Read())
sc.Add(reader.GetString(0));
}
catch
{
throw;
}
finally
{
if (reader != null)
reader.Close();
}
if (sc.Count < 1)
{
switch (GetReturnValue(cmd))
{
case 0:
return new string[0];
case 1:
throw new ProviderException(SR.GetString(SR.Provider_role_not_found, roleName));
default:
throw new ProviderException(SR.GetString(SR.Provider_unknown_failure));
}
}
String[] strReturn = new String[sc.Count];
sc.CopyTo(strReturn, 0);
return strReturn;
}
finally
{
if( holder != null )
{
holder.Close();
holder = null;
}
}
}
catch
{
throw;
}
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
public override string ApplicationName
{
get { return _AppName; }
set {
_AppName = value;
if ( _AppName.Length > 256 )
{
throw new ProviderException( SR.GetString(SR.Provider_application_name_too_long) );
}
}
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
private SqlParameter CreateInputParam(string paramName, SqlDbType dbType, object objValue){
SqlParameter param = new SqlParameter(paramName, dbType);
if (objValue == null)
objValue = String.Empty;
param.Value = objValue;
return param;
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
private int GetReturnValue(SqlCommand cmd) {
foreach(SqlParameter param in cmd.Parameters){
if (param.Direction == ParameterDirection.ReturnValue && param.Value != null && param.Value is int)
return (int) param.Value;
}
return -1;
}
}
}