压缩Access数据库#region 压缩Access数据库
/**//// <summary>
/// 压缩Access数据库
/// </summary>
/// <param name=&qu
public static void CompactAccess(string DBPath)
...{
if (!File.Exists(DBPath))
...{
throw new Exception("目标数据库不存在,无法压缩");
}
//声明临时数据库名称
string temp = DateTime.Now.Year.ToString();
temp += DateTime.Now.Month.ToString();
temp += DateTime.Now.Day.ToString();
temp += DateTime.Now.Hour.ToString();
temp += DateTime.Now.Minute.ToString();
temp += DateTime.Now.Second.ToString() + ".bak";
temp = DBPath.Substring(0, DBPath.LastIndexOf("\") + 1) + temp;
//定义临时数据库的连接字符串
string temp2 = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source="+temp;
//定义目标数据库的连接字符串
string DBPath2 = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source="+DBPath;
//创建一个JetEngineClass对象的实例
JRO
//使用JetEngineClass对象的CompactDatabase方法压缩修复数据库
jt.CompactDatabase(DBPath2, temp2);
//拷贝临时数据库到目标数据库(覆盖)
File.Copy(temp, DBPath, true);
//最后删除临时数据库
File.Delete(temp);
}
/**//// <summary>
/// 压缩Access数据库
/// </summary>
/// <param name=&qu
public static void CompactAccess(string DBPath)
...{
if (!File.Exists(DBPath))
...{
throw new Exception("目标数据库不存在,无法压缩");
}
//声明临时数据库名称
string temp = DateTime.Now.Year.ToString();
temp += DateTime.Now.Month.ToString();
temp += DateTime.Now.Day.ToString();
temp += DateTime.Now.Hour.ToString();
temp += DateTime.Now.Minute.ToString();
temp += DateTime.Now.Second.ToString() + ".bak";
temp = DBPath.Substring(0, DBPath.LastIndexOf("\") + 1) + temp;
//定义临时数据库的连接字符串
string temp2 = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source="+temp;
//定义目标数据库的连接字符串
string DBPath2 = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source="+DBPath;
//创建一个JetEngineClass对象的实例
JRO
//使用JetEngineClass对象的CompactDatabase方法压缩修复数据库
jt.CompactDatabase(DBPath2, temp2);
//拷贝临时数据库到目标数据库(覆盖)
File.Copy(temp, DBPath, true);
//最后删除临时数据库
File.Delete(temp);
}