public List <T_Task_Course> GetList()
{
//连接C:\Users\lenovo\Desktop\taskmanager\TaskManager\DAL\MyClass\DALT_Event_MyTask.cs
SqlConnection co = new SqlConnection();
co.ConnectionString = System.Configuration.ConfigurationSettings.AppSettings["dataConnection"];
co.Open();
//读取
SqlCommand cm = new SqlCommand();
cm.CommandText = "select * from T_Task_Course;";
//发送
cm.Connection = co;
//接收
SqlDataReader dr = cm.ExecuteReader();
List <TaskManager.Model.T_Task_Course> lst = new List <TaskManager.Model.T_Task_Course>();
while (dr.Read())
{
TaskManager.Model.T_Task_Course course = new TaskManager.Model.T_Task_Course();
course.ClassId = Convert.ToInt32(dr["ClassId"]);
course.CourseId = Convert.ToString(dr["CourseId"]);
course.Id = Convert.ToInt32(dr["Id"]);
course.Name = Convert.ToString(dr["Name"]);
course.StuId = Convert.ToInt32(dr["StuId"]);
course.TeaId = Convert.ToInt32(dr["TeaId"]);
course.Type = Convert.ToInt32(dr["Type"]);
lst.Add(course);
}
dr.Close();
co.Close();
return(lst);
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(TaskManager.Model.T_Task_Course model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update T_Task_Course set ");
strSql.Append("CourseId=@CourseId,");
strSql.Append("Name=@Name,");
strSql.Append("Type=@Type,");
strSql.Append("ClassId=@ClassId,");
strSql.Append("TeaId=@TeaId,");
strSql.Append("StuId=@StuId");
strSql.Append(" where Id=@Id");
SqlParameter[] parameters =
{
new SqlParameter("@CourseId", SqlDbType.NVarChar, 20),
new SqlParameter("@Name", SqlDbType.NVarChar, 20),
new SqlParameter("@Type", SqlDbType.Int, 4),
new SqlParameter("@ClassId", SqlDbType.Int, 4),
new SqlParameter("@TeaId", SqlDbType.Int, 4),
new SqlParameter("@StuId", SqlDbType.Int, 4),
new SqlParameter("@Id", SqlDbType.Int, 4)
};
parameters[0].Value = model.CourseId;
parameters[1].Value = model.Name;
parameters[2].Value = model.Type;
parameters[3].Value = model.ClassId;
parameters[4].Value = model.TeaId;
parameters[5].Value = model.StuId;
parameters[6].Value = model.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 TaskManager.Model.T_Task_Course DataRowToModel(DataRow row)
{
TaskManager.Model.T_Task_Course model = new TaskManager.Model.T_Task_Course();
if (row != null)
{
if (row["Id"] != null && row["Id"].ToString() != "")
{
model.Id = int.Parse(row["Id"].ToString());
}
if (row["CourseId"] != null)
{
model.CourseId = row["CourseId"].ToString();
}
if (row["Name"] != null)
{
model.Name = row["Name"].ToString();
}
if (row["Type"] != null && row["Type"].ToString() != "")
{
model.Type = int.Parse(row["Type"].ToString());
}
if (row["ClassId"] != null && row["ClassId"].ToString() != "")
{
model.ClassId = int.Parse(row["ClassId"].ToString());
}
if (row["TeaId"] != null && row["TeaId"].ToString() != "")
{
model.TeaId = int.Parse(row["TeaId"].ToString());
}
if (row["StuId"] != null && row["StuId"].ToString() != "")
{
model.StuId = int.Parse(row["StuId"].ToString());
}
}
return(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(TaskManager.Model.T_Task_Course model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into T_Task_Course(");
strSql.Append("CourseId,Name,Type,ClassId,TeaId,StuId)");
strSql.Append(" values (");
strSql.Append("@CourseId,@Name,@Type,@ClassId,@TeaId,@StuId)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@CourseId", SqlDbType.NVarChar, 20),
new SqlParameter("@Name", SqlDbType.NVarChar, 20),
new SqlParameter("@Type", SqlDbType.Int, 4),
new SqlParameter("@ClassId", SqlDbType.Int, 4),
new SqlParameter("@TeaId", SqlDbType.Int, 4),
new SqlParameter("@StuId", SqlDbType.Int, 4)
};
parameters[0].Value = model.CourseId;
parameters[1].Value = model.Name;
parameters[2].Value = model.Type;
parameters[3].Value = model.ClassId;
parameters[4].Value = model.TeaId;
parameters[5].Value = model.StuId;
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 TaskManager.Model.T_Task_Course GetModel(int Id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 Id,CourseId,Name,Type,ClassId,TeaId,StuId from T_Task_Course ");
strSql.Append(" where Id=@Id");
SqlParameter[] parameters =
{
new SqlParameter("@Id", SqlDbType.Int, 4)
};
parameters[0].Value = Id;
TaskManager.Model.T_Task_Course model = new TaskManager.Model.T_Task_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);
}
}