/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Lythen.Model.course model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update course set ");
strSql.Append("Course_title=@Course_title,");
strSql.Append("Course_sub_id=@Course_sub_id,");
strSql.Append("Course_teacher_id=@Course_teacher_id,");
strSql.Append("Course_date=@Course_date,");
strSql.Append("Course_time=@Course_time,");
strSql.Append("Course_info=@Course_info,");
strSql.Append("Course_choool_id=@Course_choool_id,");
strSql.Append("Course_cost=@Course_cost,");
strSql.Append("Course_status=@Course_status");
strSql.Append(" where Course_id=@Course_id");
SqlParameter[] parameters =
{
new SqlParameter("@Course_title", SqlDbType.VarChar, 50),
new SqlParameter("@Course_sub_id", SqlDbType.Int, 4),
new SqlParameter("@Course_teacher_id", SqlDbType.Int, 4),
new SqlParameter("@Course_date", SqlDbType.VarChar, 1000),
new SqlParameter("@Course_time", SqlDbType.Time, 5),
new SqlParameter("@Course_info", SqlDbType.VarChar, 5000),
new SqlParameter("@Course_choool_id", SqlDbType.Int, 4),
new SqlParameter("@Course_cost", SqlDbType.Money, 8),
new SqlParameter("@Course_status", SqlDbType.Char, 1),
new SqlParameter("@Course_id", SqlDbType.Int, 4)
};
parameters[0].Value = model.Course_title;
parameters[1].Value = model.Course_sub_id;
parameters[2].Value = model.Course_teacher_id;
parameters[3].Value = model.Course_date;
parameters[4].Value = model.Course_time;
parameters[5].Value = model.Course_info;
parameters[6].Value = model.Course_choool_id;
parameters[7].Value = model.Course_cost;
parameters[8].Value = model.Course_status;
parameters[9].Value = model.Course_id;
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 Lythen.Model.course DataRowToModel(DataRow row)
{
Lythen.Model.course model = new Lythen.Model.course();
if (row != null)
{
if (row["Course_id"] != null && row["Course_id"].ToString() != "")
{
model.Course_id = int.Parse(row["Course_id"].ToString());
}
if (row["Course_title"] != null)
{
model.Course_title = row["Course_title"].ToString();
}
if (row["Course_sub_id"] != null && row["Course_sub_id"].ToString() != "")
{
model.Course_sub_id = int.Parse(row["Course_sub_id"].ToString());
}
if (row["Course_teacher_id"] != null && row["Course_teacher_id"].ToString() != "")
{
model.Course_teacher_id = int.Parse(row["Course_teacher_id"].ToString());
}
if (row["Course_date"] != null)
{
model.Course_date = row["Course_date"].ToString();
}
if (row["Course_time"] != null && row["Course_time"].ToString() != "")
{
model.Course_time = DateTime.Parse(row["Course_time"].ToString());
}
if (row["Course_info"] != null)
{
model.Course_info = row["Course_info"].ToString();
}
if (row["Course_choool_id"] != null && row["Course_choool_id"].ToString() != "")
{
model.Course_choool_id = int.Parse(row["Course_choool_id"].ToString());
}
if (row["Course_cost"] != null && row["Course_cost"].ToString() != "")
{
model.Course_cost = decimal.Parse(row["Course_cost"].ToString());
}
if (row["Course_status"] != null)
{
model.Course_status = row["Course_status"].ToString();
}
}
return(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Lythen.Model.course model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into course(");
strSql.Append("Course_title,Course_sub_id,Course_teacher_id,Course_date,Course_time,Course_info,Course_choool_id,Course_cost,Course_status)");
strSql.Append(" values (");
strSql.Append("@Course_title,@Course_sub_id,@Course_teacher_id,@Course_date,@Course_time,@Course_info,@Course_choool_id,@Course_cost,@Course_status)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@Course_title", SqlDbType.VarChar, 50),
new SqlParameter("@Course_sub_id", SqlDbType.Int, 4),
new SqlParameter("@Course_teacher_id", SqlDbType.Int, 4),
new SqlParameter("@Course_date", SqlDbType.VarChar, 1000),
new SqlParameter("@Course_time", SqlDbType.Time, 5),
new SqlParameter("@Course_info", SqlDbType.VarChar, 5000),
new SqlParameter("@Course_choool_id", SqlDbType.Int, 4),
new SqlParameter("@Course_cost", SqlDbType.Money, 8),
new SqlParameter("@Course_status", SqlDbType.Char, 1)
};
parameters[0].Value = model.Course_title;
parameters[1].Value = model.Course_sub_id;
parameters[2].Value = model.Course_teacher_id;
parameters[3].Value = model.Course_date;
parameters[4].Value = model.Course_time;
parameters[5].Value = model.Course_info;
parameters[6].Value = model.Course_choool_id;
parameters[7].Value = model.Course_cost;
parameters[8].Value = model.Course_status;
object obj = DbHelperSQL.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 Lythen.Model.course GetModel(int Course_id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 Course_id,Course_title,Course_sub_id,Course_teacher_id,Course_date,Course_time,Course_info,Course_choool_id,Course_cost,Course_status from course ");
strSql.Append(" where Course_id=@Course_id");
SqlParameter[] parameters =
{
new SqlParameter("@Course_id", SqlDbType.Int, 4)
};
parameters[0].Value = Course_id;
Lythen.Model.course model = new Lythen.Model.course();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
