/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(TSIMSServer.Model.t_class model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update t_class set ");
strSql.Append("class_name=@class_name,");
strSql.Append("major_num=@major_num");
strSql.Append(" where class_num=@class_num ");
MySqlParameter[] parameters =
{
new MySqlParameter("@class_name", MySqlDbType.VarChar, 100),
new MySqlParameter("@major_num", MySqlDbType.VarChar, 50),
new MySqlParameter("@class_num", MySqlDbType.VarChar, 50)
};
parameters[0].Value = model.class_name;
parameters[1].Value = model.major_num;
parameters[2].Value = model.class_num;
int rows = DbHelperMySQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(TSIMSServer.Model.t_class model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into t_class(");
strSql.Append("class_num,class_name,major_num)");
strSql.Append(" values (");
strSql.Append("@class_num,@class_name,@major_num)");
MySqlParameter[] parameters =
{
new MySqlParameter("@class_num", MySqlDbType.VarChar, 50),
new MySqlParameter("@class_name", MySqlDbType.VarChar, 100),
new MySqlParameter("@major_num", MySqlDbType.VarChar, 50)
};
parameters[0].Value = model.class_num;
parameters[1].Value = model.class_name;
parameters[2].Value = model.major_num;
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 TSIMSServer.Model.t_class DataRowToModel(DataRow row)
{
TSIMSServer.Model.t_class model = new TSIMSServer.Model.t_class();
if (row != null)
{
if (row["class_num"] != null)
{
model.class_num = row["class_num"].ToString();
}
if (row["class_name"] != null)
{
model.class_name = row["class_name"].ToString();
}
if (row["major_num"] != null)
{
model.major_num = row["major_num"].ToString();
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public TSIMSServer.Model.t_class GetModel(string class_num)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select class_num,class_name,major_num from t_class ");
strSql.Append(" where class_num=@class_num ");
MySqlParameter[] parameters =
{
new MySqlParameter("@class_num", MySqlDbType.VarChar, 50)
};
parameters[0].Value = class_num;
TSIMSServer.Model.t_class model = new TSIMSServer.Model.t_class();
DataSet ds = DbHelperMySQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
