/// <summary>
/// 增加一条数据
/// </summary>
public int Add(abc.Model.Model.CourseTeacher model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into CourseTeacher(");
strSql.Append("CourseId,TeacherId)");
strSql.Append(" values (");
strSql.Append("SQL2012CourseId,SQL2012TeacherId)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("SQL2012CourseId", SqlDbType.Int, 4),
new SqlParameter("SQL2012TeacherId", SqlDbType.Int, 4)
};
parameters[0].Value = model.CourseId;
parameters[1].Value = model.TeacherId;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(abc.Model.Model.CourseTeacher model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update CourseTeacher set ");
#warning 系统发现缺少更新的字段，请手工确认如此更新是否正确！
strSql.Append("TeachingId=SQL2012TeachingId,");
strSql.Append("CourseId=SQL2012CourseId,");
strSql.Append("TeacherId=SQL2012TeacherId");
strSql.Append(" where TeachingId=SQL2012TeachingId");
SqlParameter[] parameters =
{
new SqlParameter("SQL2012TeachingId", SqlDbType.Int, 4),
new SqlParameter("SQL2012CourseId", SqlDbType.Int, 4),
new SqlParameter("SQL2012TeacherId", SqlDbType.Int, 4)
};
parameters[0].Value = model.TeachingId;
parameters[1].Value = model.CourseId;
parameters[2].Value = model.TeacherId;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public abc.Model.Model.CourseTeacher DataRowToModel(DataRow row)
{
abc.Model.Model.CourseTeacher model = new abc.Model.Model.CourseTeacher();
if (row != null)
{
if (row["TeachingId"] != null && row["TeachingId"].ToString() != "")
{
model.TeachingId = int.Parse(row["TeachingId"].ToString());
}
if (row["CourseId"] != null && row["CourseId"].ToString() != "")
{
model.CourseId = int.Parse(row["CourseId"].ToString());
}
if (row["TeacherId"] != null && row["TeacherId"].ToString() != "")
{
model.TeacherId = int.Parse(row["TeacherId"].ToString());
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public abc.Model.Model.CourseTeacher GetModel(int TeachingId)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 TeachingId,CourseId,TeacherId from CourseTeacher ");
strSql.Append(" where TeachingId=SQL2012TeachingId");
SqlParameter[] parameters =
{
new SqlParameter("SQL2012TeachingId", SqlDbType.Int, 4)
};
parameters[0].Value = TeachingId;
abc.Model.Model.CourseTeacher model = new abc.Model.Model.CourseTeacher();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
