/// <summary>
/// 执行存储过程并返回受影响行数，同时获得1个Output参数的值
/// </summary>
/// <typeparam name="T">Output参数的CLR类型</typeparam>
/// <param name="conn">链接</param>
/// <param name="name">存储过程名</param>
/// <param name="outparam">第一个参数，即output参数</param>
/// <param name="parameterValues">其余的参数列表</param>
/// <returns>受影响行数</returns>
public static long ExecuteNonQuery <T>(SqlConnection conn, String name, out T outparam, params object[] parameterValues)
{
outparam = default(T);
SqlParameter[] parameters = SqlHelperParameterCache.GetSpParameterSet(conn.ConnectionString, name);
ArrayList paramValueList = new ArrayList();
paramValueList.Add(outparam);
paramValueList.AddRange(parameterValues);
AssignParameterValues(parameters, paramValueList.ToArray());
long returnValue = ExecuteNonQuery(conn, name, parameters);
if (parameters[0].Direction == ParameterDirection.InputOutput || parameters[0].Direction == ParameterDirection.Output)
{
outparam = (T)parameters[0].Value;
}
return(returnValue);
}
public static SqlDataReader ExecuteReader(SqlConnection conn, SqlTransaction tran, String name, params object[] parameterValues)
{
SqlParameter[] parameters = SqlHelperParameterCache.GetSpParameterSet(conn.ConnectionString, name);
AssignParameterValues(parameters, parameterValues);
return(ExecuteReader(tran, name, parameters));
}