/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(university.Model.CCOM.Datum model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Datum set ");
strSql.Append("Topic_relation_id=@Topic_relation_id,");
strSql.Append("File_path=@File_path,");
strSql.Append("File_name=@File_name,");
strSql.Append("DatumType_id=@DatumType_id,");
strSql.Append("Submit_time=@Submit_time,");
strSql.Append("Tutor_advice=@Tutor_advice,");
strSql.Append("Homework_id=@Homework_id");
strSql.Append(" where Datum_id=@Datum_id");
SqlParameter[] parameters =
{
new SqlParameter("@Topic_relation_id", SqlDbType.BigInt, 8),
new SqlParameter("@File_path", SqlDbType.VarChar, 128),
new SqlParameter("@File_name", SqlDbType.VarChar, 128),
new SqlParameter("@DatumType_id", SqlDbType.Int, 4),
new SqlParameter("@Submit_time", SqlDbType.Date, 3),
new SqlParameter("@Tutor_advice", SqlDbType.Text),
new SqlParameter("@Homework_id", SqlDbType.Int, 4),
new SqlParameter("@Datum_id", SqlDbType.BigInt, 8)
};
parameters[0].Value = model.Topic_relation_id;
parameters[1].Value = model.File_path;
parameters[2].Value = model.File_name;
parameters[3].Value = model.DatumType_id;
parameters[4].Value = model.Submit_time;
parameters[5].Value = model.Tutor_advice;
parameters[6].Value = model.Homework_id;
parameters[7].Value = model.Datum_id;
int rows = DBSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public university.Model.CCOM.Datum DataRowToModel(DataRow row)
{
university.Model.CCOM.Datum model = new university.Model.CCOM.Datum();
if (row != null)
{
if (row["Datum_id"] != null && row["Datum_id"].ToString() != "")
{
model.Datum_id = long.Parse(row["Datum_id"].ToString());
}
if (row["Topic_relation_id"] != null && row["Topic_relation_id"].ToString() != "")
{
model.Topic_relation_id = long.Parse(row["Topic_relation_id"].ToString());
}
if (row["File_path"] != null)
{
model.File_path = row["File_path"].ToString();
}
if (row["File_name"] != null)
{
model.File_name = row["File_name"].ToString();
}
if (row["DatumType_id"] != null && row["DatumType_id"].ToString() != "")
{
model.DatumType_id = int.Parse(row["DatumType_id"].ToString());
}
if (row["Submit_time"] != null && row["Submit_time"].ToString() != "")
{
model.Submit_time = DateTime.Parse(row["Submit_time"].ToString());
}
if (row["Tutor_advice"] != null)
{
model.Tutor_advice = row["Tutor_advice"].ToString();
}
if (row["Homework_id"] != null && row["Homework_id"].ToString() != "")
{
model.Homework_id = int.Parse(row["Homework_id"].ToString());
}
}
return(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public long Add(university.Model.CCOM.Datum model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Datum(");
strSql.Append("Topic_relation_id,File_path,File_name,DatumType_id,Submit_time,Tutor_advice,Homework_id,User_id)");
strSql.Append(" values (");
strSql.Append("@Topic_relation_id,@File_path,@File_name,@DatumType_id,@Submit_time,@Tutor_advice,@Homework_id,@User_id)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@Topic_relation_id", SqlDbType.BigInt, 8),
new SqlParameter("@File_path", SqlDbType.VarChar, 128),
new SqlParameter("@File_name", SqlDbType.VarChar, 128),
new SqlParameter("@DatumType_id", SqlDbType.Int, 4),
new SqlParameter("@Submit_time", SqlDbType.Date, 3),
new SqlParameter("@Tutor_advice", SqlDbType.Text),
new SqlParameter("@Homework_id", SqlDbType.Int, 4),
new SqlParameter("@User_id", SqlDbType.BigInt, 8)
};
parameters[0].Value = model.Topic_relation_id;
parameters[1].Value = model.File_path;
parameters[2].Value = model.File_name;
parameters[3].Value = model.DatumType_id;
parameters[4].Value = model.Submit_time;
parameters[5].Value = model.Tutor_advice;
parameters[6].Value = model.Homework_id;
parameters[7].Value = model.User_id;
object obj = DBSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt64(obj));
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public university.Model.CCOM.Datum GetModel(long Datum_id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 Datum_id,Topic_relation_id,File_path,File_name,DatumType_id,Submit_time,Tutor_advice,Homework_id from Datum ");
strSql.Append(" where Datum_id=@Datum_id");
SqlParameter[] parameters =
{
new SqlParameter("@Datum_id", SqlDbType.BigInt)
};
parameters[0].Value = Datum_id;
university.Model.CCOM.Datum model = new university.Model.CCOM.Datum();
DataSet ds = DBSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
