/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Model.subject model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update subject set ");
strSql.Append("parent_id=@parent_id,");
strSql.Append("name=@name,");
strSql.Append("type=@type,");
strSql.Append("sort_id=@sort_id");
strSql.Append(" where id=@id");
SqlParameter[] parameters = {
new SqlParameter("@parent_id", SqlDbType.Int,4),
new SqlParameter("@name", SqlDbType.NVarChar,50),
new SqlParameter("@type", SqlDbType.NVarChar,50),
new SqlParameter("@sort_id", SqlDbType.Int,4),
new SqlParameter("@id", SqlDbType.Int,4)};
parameters[0].Value = model.parent_id;
parameters[1].Value = model.name;
parameters[2].Value = model.type;
parameters[3].Value = model.sort_id;
parameters[4].Value = model.id;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return true;
}
else
{
return false;
}
}
/// <summary>
/// 组合成对象实体
/// </summary>
private Model.subject DataRowToModel(DataRow row)
{
Model.subject model = new Model.subject();
if (row != null)
{
if (row["id"] != null && row["id"].ToString() != "")
{
model.id = int.Parse(row["id"].ToString());
}
if (row["parent_id"] != null && row["parent_id"].ToString() != "")
{
model.parent_id = int.Parse(row["parent_id"].ToString());
}
if (row["type"] != null)
{
model.type = row["type"].ToString();
}
if (row["name"] != null)
{
model.name = row["name"].ToString();
}
if (row["sort_id"] != null && row["sort_id"].ToString() != "")
{
model.sort_id = int.Parse(row["sort_id"].ToString());
}
}
return model;
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Model.subject model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into subject(");
strSql.Append("parent_id,name,type,sort_id)");
strSql.Append(" values (");
strSql.Append("@parent_id,@name,@type,@sort_id)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters = {
new SqlParameter("@parent_id", SqlDbType.Int,4),
new SqlParameter("@name", SqlDbType.NVarChar,50),
new SqlParameter("@type", SqlDbType.NVarChar,50),
new SqlParameter("@sort_id", SqlDbType.Int,4)};
parameters[0].Value = model.parent_id;
parameters[1].Value = model.name;
parameters[2].Value = model.type;
parameters[3].Value = model.sort_id;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return 0;
}
else
{
return Convert.ToInt32(obj);
}
}
private bool DoEdit(int _id)
{
try
{
BLL.subject bll = new BLL.subject();
Model.subject model = bll.GetModel(_id);
int parentId = int.Parse(ddlParentId.SelectedValue);
model.name = txtName.Text.Trim();
//如果选择的父ID不是自己,则更改
if (parentId != model.id)
{
model.parent_id = parentId;
}
model.sort_id = int.Parse(txtSortId.Text.Trim());
model.type = rblPageType.SelectedValue;
if (bll.Update(model))
{
AddAdminLog(DTEnums.ActionEnum.Edit.ToString(), "修改科目分类:" + model.name); //记录日志
return(true);
}
}
catch
{
return(false);
}
return(false);
}
private void ShowInfo(int _id)
{
BLL.subject bll = new BLL.subject();
Model.subject model = bll.GetModel(_id);
ddlParentId.SelectedValue = model.parent_id.ToString();
txtName.Text = model.name;
txtSortId.Text = model.sort_id.ToString();
rblPageType.SelectedValue = model.type.ToString();
}
public string Update(int Subject_id, int Parent_id, string Subject_title)
{
if (dal.Exists(Parent_id, Subject_title)) return "该父科目下已存在所修改子科目名称。";
Model.subject model = GetModelByCache(Subject_id);
if (model == null) return "所选科目不存在或已删除。";
model.Subject_parent = Parent_id;
model.Subject_title = Subject_title;
if (Update(model)) return "success";
else return "error";
}
public string Add(int parent_id, string subject_title)
{
if (dal.Exists(parent_id, subject_title)) return "exists";
else
{
Model.subject model = new Model.subject();
model.Subject_parent = parent_id;
model.Subject_title = subject_title;
model.Subject_info = "";
if (Add(model) > 0) return "success";
else return "error";
}
}
/// <summary>
/// 得到一个对象实体，带事务
/// </summary>
public Model.subject GetModel(SqlConnection conn, SqlTransaction trans, string nav_name)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 *");
strSql.Append(" from subject ");
strSql.Append(" where name=@nav_name");
SqlParameter[] parameters = {
new SqlParameter("@nav_name", SqlDbType.NVarChar,50)};
parameters[0].Value = nav_name;
Model.subject model = new Model.subject();
DataSet ds = DbHelperSQL.Query(conn, trans, strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return DataRowToModel(ds.Tables[0].Rows[0]);
}
else
{
return null;
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Model.subject GetModel(int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 *");
strSql.Append(" from subject ");
strSql.Append(" where id=@id");
SqlParameter[] parameters = {
new SqlParameter("@id", SqlDbType.Int,4)};
parameters[0].Value = id;
Model.subject model = new Model.subject();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return DataRowToModel(ds.Tables[0].Rows[0]);
}
else
{
return null;
}
}
private bool DoAdd()
{
try
{
Model.subject model = new Model.subject();
BLL.subject bll = new BLL.subject();
model.name = txtName.Text.Trim();
model.parent_id = int.Parse(ddlParentId.SelectedValue);
model.sort_id = int.Parse(txtSortId.Text.Trim());
model.type = rblPageType.SelectedValue;
if (bll.Add(model) > 0)
{
AddAdminLog(DTEnums.ActionEnum.Add.ToString(), "添加科目分类:" + model.name); //记录日志
return(true);
}
}
catch
{
return(false);
}
return(false);
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Model.subject model)
{
return(dal.Update(model));
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Model.subject model)
{
return(dal.Add(model));
}
