/// <summary>
/// 获得数据列表
/// </summary>
public List<MyBookShop.Model.Cart> DataTableToList2(DataTable dt)
{
List<MyBookShop.Model.Cart> modelList = new List<MyBookShop.Model.Cart>();
int rowsCount = dt.Rows.Count;
if (rowsCount > 0)
{
MyBookShop.Model.Cart model;
for (int n = 0; n < rowsCount; n++)
{
model = new MyBookShop.Model.Cart();
if (dt.Rows[n]["Id"].ToString() != "")
{
model.Id = int.Parse(dt.Rows[n]["Id"].ToString());
}
if (dt.Rows[n]["UserId"].ToString() != "")
{
int UserId = int.Parse(dt.Rows[n]["UserId"].ToString());
model.User = usersBll.GetModel(UserId);
}
if (dt.Rows[n]["BookId"].ToString() != "")
{
int BookId = int.Parse(dt.Rows[n]["BookId"].ToString());
model.Book = booksBll.GetModel(BookId);
}
if (dt.Rows[n]["Count"].ToString() != "")
{
model.Count = int.Parse(dt.Rows[n]["Count"].ToString());
}
modelList.Add(model);
}
}
return modelList;
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public MyBookShop.Model.Cart DataRowToModel(DataRow row)
{
MyBookShop.Model.Cart model=new MyBookShop.Model.Cart();
if (row != null)
{
if(row["Id"]!=null && row["Id"].ToString()!="")
{
model.Id=int.Parse(row["Id"].ToString());
}
if(row["UserId"]!=null && row["UserId"].ToString()!="")
{
model.UserId=int.Parse(row["UserId"].ToString());
}
if(row["BookId"]!=null && row["BookId"].ToString()!="")
{
model.BookId=int.Parse(row["BookId"].ToString());
}
if(row["Count"]!=null && row["Count"].ToString()!="")
{
model.Count=int.Parse(row["Count"].ToString());
}
}
return model;
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public MyBookShop.Model.Cart GetModel(int Id)
{
StringBuilder strSql=new StringBuilder();
strSql.Append("select top 1 Id,UserId,BookId,Count from Cart ");
strSql.Append(" where Id=@Id");
SqlParameter[] parameters = {
new SqlParameter("@Id", SqlDbType.Int,4)
};
parameters[0].Value = Id;
MyBookShop.Model.Cart model=new MyBookShop.Model.Cart();
DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters);
if(ds.Tables[0].Rows.Count>0)
{
return DataRowToModel(ds.Tables[0].Rows[0]);
}
else
{
return null;
}
}
