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压缩修复Access数据库

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2016-06-07 15:28:161113browse

using JRO //引用 public void Compact(string mdbPath) { if (!File.Exists(mdbPath)) { throw new Exception(目标数据库不存在,无法压缩!); } //临时数据库名称 string temp = DateTime.Now.ToString(yyyyMMddHHmmss) .bak; //临时数据库地址(包含名称

using JRO //引用

public void Compact(string mdbPath)

{
if (!File.Exists(mdbPath))
{
throw new Exception("目标数据库不存在,无法压缩!");

}

//临时数据库名称

string temp = DateTime.Now.ToString("yyyyMMddHHmmss") + ".bak";

//临时数据库地址(包含名称)

temp = mdbPath.Substring(0, mdbPath.LastIndexOf("\\")+1) + temp;

//临时数据库连接字符串

string temp2 = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source="+temp;

//原始数据库连接字符串

string mdbPath2 = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + mdbPath;
//压缩Access数据库工具类(.dll c:\C:\Program Files (x86)\Common Files\System\ado\msjro.dll)
JetEngineClass jt = new JetEngineClass();
jt.CompactDatabase(mdbPath2,temp2);
File.Copy(temp,mdbPath,true);
File.Delete(temp);
}
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