/// <summary>
/// 更新一条数据
/// </summary>
public void Update(TFXK.Model.Category model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update tb_Category set ");
strSql.Append("title=@title,");
strSql.Append("codeNo=@codeNo,");
strSql.Append("parentID=@parentID,");
strSql.Append("description=@description,");
strSql.Append("orderId=@orderId");
strSql.Append(" where id=@id ");
OleDbParameter[] parameters =
{
new OleDbParameter("@title", OleDbType.VarChar, 50),
new OleDbParameter("@codeNo", OleDbType.VarChar, 50),
new OleDbParameter("@parentID", OleDbType.Integer, 4),
new OleDbParameter("@description", OleDbType.VarChar, 0),
new OleDbParameter("@orderId", OleDbType.Integer, 4),
new OleDbParameter("@id", OleDbType.Integer, 4)
};
parameters[0].Value = model.title;
parameters[1].Value = model.codeNo;
parameters[2].Value = model.parentID;
parameters[3].Value = model.description;
parameters[4].Value = model.orderId;
parameters[5].Value = model.id;
DbHelperOleDb.ExecuteSql(strSql.ToString(), parameters);
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(TFXK.Model.Category model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into tb_Category(");
strSql.Append("title,codeNo,parentID,description,orderId)");
strSql.Append(" values (");
strSql.Append("@title,@codeNo,@parentID,@description,@orderId)");
OleDbParameter[] parameters =
{
new OleDbParameter("@title", OleDbType.VarChar, 50),
new OleDbParameter("@codeNo", OleDbType.VarChar, 50),
new OleDbParameter("@parentID", OleDbType.Integer, 4),
new OleDbParameter("@description", OleDbType.VarChar),
new OleDbParameter("@orderId", OleDbType.Integer, 4)
};
parameters[0].Value = model.title;
parameters[1].Value = model.codeNo;
parameters[2].Value = model.parentID;
parameters[3].Value = model.description;
parameters[4].Value = model.orderId;
DbHelperOleDb.ExecuteSql(strSql.ToString(), parameters);
string sql = "select max(id) from [tb_Category]";
try
{
return(int.Parse(DbHelperOleDb.GetSingle(sql).ToString()));
}
catch
{
return(0);
}
}
/// <summary>
/// 更具编号获取父分类的编号
/// </summary>
/// <param name="id">编号</param>
/// <returns>dataset pid</returns>
public DataSet GetParentIdsByID(int id)
{
Model.Category model = new TFXK.Model.Category();
model.parentID = id;
DataTable dt = new DataTable();
dt.Columns.Add("pid");
while (model != null && model.parentID != 0)
{
model = GetParentID(model.parentID);
DataRow dr = dt.NewRow();
dr["pid"] = model.parentID;
dt.Rows.Add(dr);
}
DataSet ds = new DataSet();
ds.Tables.Add(dt);
return(ds);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public TFXK.Model.Category GetModel(string code)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select id,title,codeNo,parentID,description,orderId from tb_Category ");
strSql.Append(" where codeNo=@code ");
OleDbParameter[] parameters =
{
new OleDbParameter("@code", OleDbType.VarChar, 10)
};
parameters[0].Value = code;
TFXK.Model.Category model = new TFXK.Model.Category();
DataSet ds = DbHelperOleDb.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["id"].ToString() != "")
{
model.id = int.Parse(ds.Tables[0].Rows[0]["id"].ToString());
}
model.title = ds.Tables[0].Rows[0]["title"].ToString();
model.codeNo = ds.Tables[0].Rows[0]["codeNo"].ToString();
if (ds.Tables[0].Rows[0]["parentID"].ToString() != "")
{
model.parentID = int.Parse(ds.Tables[0].Rows[0]["parentID"].ToString());
}
model.description = ds.Tables[0].Rows[0]["description"].ToString();
if (ds.Tables[0].Rows[0]["orderId"].ToString() != "")
{
model.orderId = int.Parse(ds.Tables[0].Rows[0]["orderId"].ToString());
}
return(model);
}
else
{
return(null);
}
}
