/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(Topicsys.Model.t_select model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into t_select(");
strSql.Append("select_id,select_student_xh,select_topic_id,select_stat)");
strSql.Append(" values (");
strSql.Append("@select_id,@select_student_xh,@select_topic_id,@select_stat)");
MySqlParameter[] parameters =
{
new MySqlParameter("@select_id", MySqlDbType.VarChar, 40),
new MySqlParameter("@select_student_xh", MySqlDbType.VarChar, 20),
new MySqlParameter("@select_topic_id", MySqlDbType.VarChar, 40),
new MySqlParameter("@select_stat", MySqlDbType.Int32, 1)
};
parameters[0].Value = model.select_id;
parameters[1].Value = model.select_student_xh;
parameters[2].Value = model.select_topic_id;
parameters[3].Value = model.select_stat;
int rows = DbHelperMySQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Topicsys.Model.t_select DataRowToModel(DataRow row)
{
Topicsys.Model.t_select model = new Topicsys.Model.t_select();
if (row != null)
{
if (row["id"] != null && row["id"].ToString() != "")
{
model.id = int.Parse(row["id"].ToString());
}
if (row["select_id"] != null)
{
model.select_id = row["select_id"].ToString();
}
if (row["select_student_xh"] != null)
{
model.select_student_xh = row["select_student_xh"].ToString();
}
if (row["select_topic_id"] != null)
{
model.select_topic_id = row["select_topic_id"].ToString();
}
if (row["select_stat"] != null && row["select_stat"].ToString() != "")
{
model.select_stat = int.Parse(row["select_stat"].ToString());
}
}
return(model);
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Topicsys.Model.t_select model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update t_select set ");
strSql.Append("select_topic_id=@select_topic_id,");
strSql.Append("select_stat=@select_stat");
strSql.Append(" where id=@id");
MySqlParameter[] parameters =
{
new MySqlParameter("@select_topic_id", MySqlDbType.VarChar, 40),
new MySqlParameter("@select_stat", MySqlDbType.Int32, 1),
new MySqlParameter("@id", MySqlDbType.Int32, 11),
new MySqlParameter("@select_id", MySqlDbType.VarChar, 40),
new MySqlParameter("@select_student_xh", MySqlDbType.VarChar, 20)
};
parameters[0].Value = model.select_topic_id;
parameters[1].Value = model.select_stat;
parameters[2].Value = model.id;
parameters[3].Value = model.select_id;
parameters[4].Value = model.select_student_xh;
int rows = DbHelperMySQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Topicsys.Model.t_select GetModel(string id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select id,select_id,select_student_xh,select_topic_id,select_stat from t_select ");
strSql.Append(" where select_id=@id");
MySqlParameter[] parameters =
{
new MySqlParameter("@id", MySqlDbType.VarChar)
};
parameters[0].Value = id;
Topicsys.Model.t_select model = new Topicsys.Model.t_select();
DataSet ds = DbHelperMySQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
