/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Tea.Model.user_group_price model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update " + databaseprefix + "user_group_price set ");
strSql.Append("article_id=@article_id,");
strSql.Append("group_id=@group_id,");
strSql.Append("price=@price");
strSql.Append(" where id=@id");
SqlParameter[] parameters =
{
new SqlParameter("@article_id", SqlDbType.Int, 4),
new SqlParameter("@group_id", SqlDbType.Int, 4),
new SqlParameter("@price", SqlDbType.Decimal, 5),
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = model.article_id;
parameters[1].Value = model.group_id;
parameters[2].Value = model.price;
parameters[3].Value = model.id;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Tea.Model.user_group_price model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into " + databaseprefix + "user_group_price(");
strSql.Append("article_id,group_id,price)");
strSql.Append(" values (");
strSql.Append("@article_id,@group_id,@price)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@article_id", SqlDbType.Int, 4),
new SqlParameter("@group_id", SqlDbType.Int, 4),
new SqlParameter("@price", SqlDbType.Decimal, 5)
};
parameters[0].Value = model.article_id;
parameters[1].Value = model.group_id;
parameters[2].Value = model.price;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Tea.Model.user_group_price GetModel(int article_id, int group_id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 id,article_id,group_id,price from " + databaseprefix + "user_group_price ");
strSql.Append(" where article_id=@article_id and group_id=@group_id");
SqlParameter[] parameters =
{
new SqlParameter("@article_id", SqlDbType.Int, 4),
new SqlParameter("@group_id", SqlDbType.Int, 4)
};
parameters[0].Value = article_id;
parameters[1].Value = group_id;
Tea.Model.user_group_price model = new Tea.Model.user_group_price();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Tea.Model.user_group_price DataRowToModel(DataRow row)
{
Tea.Model.user_group_price model = new Tea.Model.user_group_price();
if (row != null)
{
if (row["id"] != null && row["id"].ToString() != "")
{
model.id = int.Parse(row["id"].ToString());
}
if (row["article_id"] != null && row["article_id"].ToString() != "")
{
model.article_id = int.Parse(row["article_id"].ToString());
}
if (row["group_id"] != null && row["group_id"].ToString() != "")
{
model.group_id = int.Parse(row["group_id"].ToString());
}
if (row["price"] != null && row["price"].ToString() != "")
{
model.price = decimal.Parse(row["price"].ToString());
}
}
return(model);
}
