摘要：
1.选取某个节点方法一：newNode = document.DocumentElement.SelectSingleNode("//student[@id='A103']");方法二：newNode = document.DocumentElement.SelectSingleNode("/stu... 阅读全文
摘要：
public static void ExportExcel(DataGridView DataGridView01){ Stream stream = null; StreamWriter writer = null; SaveFileDialog dialog = new Sa... 阅读全文
摘要：
1.根据路径把图片转成二进制保存在数据库里public bool SaveImage(string filePath) { bool isSuccess = false; string FilePath = filePath; ... 阅读全文