/// <summary>
/// 取得每页记录
/// </summary>
/// <param name="p_pageIndex">当前页</param>
/// <param name="p_pageSize">分页大小</param>
/// <param name="p_recordCount">返回总记录数</param>
/// <param name="strWhere">查询条件</param>
/// <returns>IList Navigation</returns>
public IList <Book.Model.Navigation> GetNavigations(int p_pageIndex, int p_pageSize, string strWhere, out int p_recordCount)
{
IList <Book.Model.Navigation> listNavigations = new List <Book.Model.Navigation>();
string sTable = "Navigation";
string sPkey = "id";
string sField = "id,pid,Name";
string sCondition = strWhere;
string sOrder = "pid asc";
int iSCounts = 0;
using (SqlDataReader reader = SqlHelperBook.RunProcedureMe(sTable, sPkey, sField, p_pageIndex, p_pageSize, sCondition, sOrder, iSCounts, out p_recordCount))
{
//计算总页数
if (p_recordCount > 0)
{
int pageCount = BasePage.CalcPageCount(p_recordCount, p_pageSize, ref p_pageIndex);
}
else
{
return(listNavigations);
}
while (reader.Read())
{
Book.Model.Navigation objNavigation = new Book.Model.Navigation();
objNavigation.id = reader.GetInt32(0);
objNavigation.pid = reader.GetInt32(1);
objNavigation.Name = reader.GetString(2);
listNavigations.Add(objNavigation);
}
}
return(listNavigations);
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Book.Model.Navigation model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Navigation(");
strSql.Append("pid,Name)");
strSql.Append(" values (");
strSql.Append("@pid,@Name)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@pid", SqlDbType.Int, 4),
new SqlParameter("@Name", SqlDbType.VarChar, 50)
};
parameters[0].Value = model.pid;
parameters[1].Value = model.Name;
object obj = SqlHelperBook.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(1);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Book.Model.Navigation GetNavigation(int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 id,pid,Name from Navigation ");
strSql.Append(" where id=@id ");
SqlParameter[] parameters =
{
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = id;
Book.Model.Navigation model = new Book.Model.Navigation();
using (SqlDataReader reader = SqlHelperBook.ExecuteReader(strSql.ToString(), parameters))
{
if (reader.HasRows)
{
reader.Read();
model.id = reader.GetInt32(0);
model.pid = reader.GetInt32(1);
model.Name = reader.GetString(2);
return(model);
}
else
{
return(null);
}
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public void Update(Book.Model.Navigation model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Navigation set ");
strSql.Append("pid=@pid,");
strSql.Append("Name=@Name");
strSql.Append(" where id=@id ");
SqlParameter[] parameters =
{
new SqlParameter("@id", SqlDbType.Int, 4),
new SqlParameter("@pid", SqlDbType.Int, 4),
new SqlParameter("@Name", SqlDbType.VarChar, 50)
};
parameters[0].Value = model.id;
parameters[1].Value = model.pid;
parameters[2].Value = model.Name;
SqlHelperBook.ExecuteSql(strSql.ToString(), parameters);
}
