/// <summary>
/// 得到一个对象实体
/// </summary>
public university.Model.CCOM.Topic_relation GetModel(string strWhere)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select Topic_relation_id,Student_id,Teacher_id,Topic_id,Apply_time,Accept_state,advice ");
strSql.Append(" from Topic_relation ");
strSql.Append(" where " + strWhere);
university.Model.CCOM.Topic_relation model = new university.Model.CCOM.Topic_relation();
DataSet ds = DBSQL.Query(strSql.ToString());
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["Topic_relation_id"] != null && ds.Tables[0].Rows[0]["Topic_relation_id"].ToString() != "")
{
model.Topic_relation_id = long.Parse(ds.Tables[0].Rows[0]["Topic_relation_id"].ToString());
}
if (ds.Tables[0].Rows[0]["Student_id"] != null && ds.Tables[0].Rows[0]["Student_id"].ToString() != "")
{
model.Student_id = long.Parse(ds.Tables[0].Rows[0]["Student_id"].ToString());
}
if (ds.Tables[0].Rows[0]["Teacher_id"] != null && ds.Tables[0].Rows[0]["Teacher_id"].ToString() != "")
{
model.Teacher_id = long.Parse(ds.Tables[0].Rows[0]["Teacher_id"].ToString());
}
if (ds.Tables[0].Rows[0]["Topic_id"] != null && ds.Tables[0].Rows[0]["Topic_id"].ToString() != "")
{
model.Topic_id = long.Parse(ds.Tables[0].Rows[0]["Topic_id"].ToString());
}
if (ds.Tables[0].Rows[0]["Apply_time"] != null && ds.Tables[0].Rows[0]["Apply_time"].ToString() != "")
{
model.Apply_time = DateTime.Parse(ds.Tables[0].Rows[0]["Apply_time"].ToString());
}
if (ds.Tables[0].Rows[0]["Accept_state"] != null && ds.Tables[0].Rows[0]["Accept_state"].ToString() != "")
{
model.Accept_state = int.Parse(ds.Tables[0].Rows[0]["Accept_state"].ToString());
}
if (ds.Tables[0].Rows[0]["advice"] != null)
{
model.advice = ds.Tables[0].Rows[0]["advice"].ToString();
}
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(university.Model.CCOM.Topic_relation model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Topic_relation set ");
strSql.Append("Student_id=@Student_id,");
strSql.Append("Teacher_id=@Teacher_id,");
strSql.Append("Topic_id=@Topic_id,");
strSql.Append("Apply_time=@Apply_time,");
strSql.Append("Accept_state=@Accept_state,");
strSql.Append("advice=@advice");
strSql.Append(" where Topic_relation_id=@Topic_relation_id");
SqlParameter[] parameters =
{
new SqlParameter("@Student_id", SqlDbType.BigInt, 8),
new SqlParameter("@Teacher_id", SqlDbType.BigInt, 8),
new SqlParameter("@Topic_id", SqlDbType.BigInt, 8),
new SqlParameter("@Apply_time", SqlDbType.Date, 3),
new SqlParameter("@Accept_state", SqlDbType.Int, 4),
new SqlParameter("@advice", SqlDbType.Text),
new SqlParameter("@Topic_relation_id", SqlDbType.BigInt, 8)
};
parameters[0].Value = model.Student_id;
parameters[1].Value = model.Teacher_id;
parameters[2].Value = model.Topic_id;
parameters[3].Value = model.Apply_time;
parameters[4].Value = model.Accept_state;
parameters[5].Value = model.advice;
parameters[6].Value = model.Topic_relation_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 long Add(university.Model.CCOM.Topic_relation model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Topic_relation(");
strSql.Append("Student_id,Teacher_id,Topic_id,Apply_time,Accept_state,advice)");
strSql.Append(" values (");
strSql.Append("@Student_id,@Teacher_id,@Topic_id,@Apply_time,@Accept_state,@advice)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@Student_id", SqlDbType.BigInt, 8),
new SqlParameter("@Teacher_id", SqlDbType.BigInt, 8),
new SqlParameter("@Topic_id", SqlDbType.BigInt, 8),
new SqlParameter("@Apply_time", SqlDbType.Date, 3),
new SqlParameter("@Accept_state", SqlDbType.Int, 4),
new SqlParameter("@advice", SqlDbType.Text)
};
parameters[0].Value = model.Student_id;
parameters[1].Value = model.Teacher_id;
parameters[2].Value = model.Topic_id;
parameters[3].Value = model.Apply_time;
parameters[4].Value = model.Accept_state;
parameters[5].Value = model.advice;
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.Topic_relation DataRowToModel(DataRow row)
{
university.Model.CCOM.Topic_relation model = new university.Model.CCOM.Topic_relation();
if (row != null)
{
if (row["Topic_relation_id"] != null && row["Topic_relation_id"].ToString() != "")
{
model.Topic_relation_id = long.Parse(row["Topic_relation_id"].ToString());
}
if (row["Student_id"] != null && row["Student_id"].ToString() != "")
{
model.Student_id = long.Parse(row["Student_id"].ToString());
}
if (row["Teacher_id"] != null && row["Teacher_id"].ToString() != "")
{
model.Teacher_id = long.Parse(row["Teacher_id"].ToString());
}
if (row["Topic_id"] != null && row["Topic_id"].ToString() != "")
{
model.Topic_id = long.Parse(row["Topic_id"].ToString());
}
if (row["Apply_time"] != null && row["Apply_time"].ToString() != "")
{
model.Apply_time = DateTime.Parse(row["Apply_time"].ToString());
}
if (row["Accept_state"] != null && row["Accept_state"].ToString() != "")
{
model.Accept_state = int.Parse(row["Accept_state"].ToString());
}
if (row["advice"] != null)
{
model.advice = row["advice"].ToString();
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public university.Model.CCOM.Topic_relation GetModel(long Topic_relation_id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 Topic_relation_id,Student_id,Teacher_id,Topic_id,Apply_time,Accept_state,advice from Topic_relation ");
strSql.Append(" where Topic_relation_id=@Topic_relation_id");
SqlParameter[] parameters =
{
new SqlParameter("@Topic_relation_id", SqlDbType.BigInt)
};
parameters[0].Value = Topic_relation_id;
university.Model.CCOM.Topic_relation model = new university.Model.CCOM.Topic_relation();
DataSet ds = DBSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
