/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Lythen.Model.sys_grade model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update sys_grade set ");
strSql.Append("g_title=@g_title");
strSql.Append(" where g_id=@g_id");
SqlParameter[] parameters =
{
new SqlParameter("@g_title", SqlDbType.VarChar, 10),
new SqlParameter("@g_id", SqlDbType.Int, 4)
};
parameters[0].Value = model.g_title;
parameters[1].Value = model.g_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(Lythen.Model.sys_grade model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into sys_grade(");
strSql.Append("g_title)");
strSql.Append(" values (");
strSql.Append("@g_title)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@g_title", SqlDbType.VarChar, 10)
};
parameters[0].Value = model.g_title;
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 Lythen.Model.sys_grade DataRowToModel(DataRow row)
{
Lythen.Model.sys_grade model = new Lythen.Model.sys_grade();
if (row != null)
{
if (row["g_id"] != null && row["g_id"].ToString() != "")
{
model.g_id = int.Parse(row["g_id"].ToString());
}
if (row["g_title"] != null)
{
model.g_title = row["g_title"].ToString();
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Lythen.Model.sys_grade GetModel(int g_id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 g_id,g_title from sys_grade ");
strSql.Append(" where g_id=@g_id");
SqlParameter[] parameters =
{
new SqlParameter("@g_id", SqlDbType.Int, 4)
};
parameters[0].Value = g_id;
Lythen.Model.sys_grade model = new Lythen.Model.sys_grade();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
