Tag: ms access 2013

将Access数据库中的位图图像导入C＃程序

我在visual studio 2010中有一个C＃程序，我从访问数据库访问数据。 除了图像，我可以获得所有信息。 我已按照此处的步骤将图片嵌入到访问数据库中。 Right-click the first field in the Image column of the table and click Insert Object. Click Create from File, and then click Browse. Browse to one or more Windows Bitmap (.bmp) or Device Independent Bitmap (.dib) images. You can find a set of BMP files, named Empid1.bmp through Empid9.bmp, at […]

通过C＃对Access数据库进行LIKE查询始终返回0的COUNT（*）

请查看以下代码： using (OleDbConnection openCon = new OleDbConnection(ConfigurationManager.AppSettings[“AccessConnectioString”])) { openCon.Open(); string tc = string.Empty; string ttc = string.Empty; if (!string.IsNullOrEmpty(QSetId)) { tc = “select count(*) as [Count] from ABC where QSetId = @qSetId and TText like ‘RT*'”; } else { tc = “select count(*) as [Count] from PQR where TText like ‘RT*'”; } using (OleDbCommand qtc= […]