/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(university.Model.CCOM.Homework model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Homework set ");
strSql.Append("Week_id=@Week_id,");
strSql.Append("DatumType_id=@DatumType_id");
strSql.Append(" where Homework_id=@Homework_id");
SqlParameter[] parameters =
{
new SqlParameter("@Week_id", SqlDbType.Int, 4),
new SqlParameter("@DatumType_id", SqlDbType.Int, 4),
new SqlParameter("@Homework_id", SqlDbType.Int, 4)
};
parameters[0].Value = model.Week_id;
parameters[1].Value = model.DatumType_id;
parameters[2].Value = model.Homework_id;
int rows = DBSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(university.Model.CCOM.Homework model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Homework(");
strSql.Append("Week_id,DatumType_id)");
strSql.Append(" values (");
strSql.Append("@Week_id,@DatumType_id)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@Week_id", SqlDbType.Int, 4),
new SqlParameter("@DatumType_id", SqlDbType.Int, 4)
};
parameters[0].Value = model.Week_id;
parameters[1].Value = model.DatumType_id;
object obj = DBSQL.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 university.Model.CCOM.Homework DataRowToModel(DataRow row)
{
university.Model.CCOM.Homework model = new university.Model.CCOM.Homework();
if (row != null)
{
if (row["Homework_id"] != null && row["Homework_id"].ToString() != "")
{
model.Homework_id = int.Parse(row["Homework_id"].ToString());
}
if (row["Week_id"] != null && row["Week_id"].ToString() != "")
{
model.Week_id = int.Parse(row["Week_id"].ToString());
}
if (row["DatumType_id"] != null && row["DatumType_id"].ToString() != "")
{
model.DatumType_id = int.Parse(row["DatumType_id"].ToString());
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public university.Model.CCOM.Homework GetModel(int Homework_id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 Homework_id,Week_id,DatumType_id from Homework ");
strSql.Append(" where Homework_id=@Homework_id");
SqlParameter[] parameters =
{
new SqlParameter("@Homework_id", SqlDbType.Int, 4)
};
parameters[0].Value = Homework_id;
university.Model.CCOM.Homework model = new university.Model.CCOM.Homework();
DataSet ds = DBSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
