/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(bbs.Model.Zone model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update t_zone set ");
strSql.Append("name=@name,");
strSql.Append("description=@description");
strSql.Append(" where id=@id");
SqlParameter[] parameters =
{
new SqlParameter("@name", SqlDbType.VarChar, 50),
new SqlParameter("@description", SqlDbType.VarChar, 100),
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = model.name;
parameters[1].Value = model.description;
parameters[2].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(bbs.Model.Zone model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into t_zone(");
strSql.Append("name,description)");
strSql.Append(" values (");
strSql.Append("@name,@description)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@name", SqlDbType.VarChar, 50),
new SqlParameter("@description", SqlDbType.VarChar, 100)
};
parameters[0].Value = model.name;
parameters[1].Value = model.description;
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 bbs.Model.Zone DataRowToModel(DataRow row)
{
bbs.Model.Zone model = new bbs.Model.Zone();
if (row != null)
{
if (row["id"] != null && row["id"].ToString() != "")
{
model.id = int.Parse(row["id"].ToString());
}
if (row["name"] != null)
{
model.name = row["name"].ToString();
}
if (row["description"] != null)
{
model.description = row["description"].ToString();
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public bbs.Model.Zone GetModel(int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 id,name,description from t_zone ");
strSql.Append(" where id=@id");
SqlParameter[] parameters =
{
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = id;
bbs.Model.Zone model = new bbs.Model.Zone();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
