对Excel的操作时很频繁的,用哪种方法更合适,那就看系统的应用了。下面应用odbc读写Excel特别方便、简单。便随笔随笔更多好方法还望高手留笔
首先当然要引用using System.Data.Odbc 名称空间。
具体读Excel方法:
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OdbcConnection Connnection = new OdbcConnection();
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Connnection.ConnectionString = "Driver={Microsoft Excel Driver (*.xls)};DBQ=" + itemFile;
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OdbcCommand cmd = new OdbcCommand();
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cmd.Connection = Connnection;
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cmd.CommandText = "SELECT * FROM [Sheet1$]";
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OdbcDataAdapter oda = new OdbcDataAdapter(cmd);
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DataTable dt = new DataTable();
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oda.Fill(dt);
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Connnection.Close();

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具体写Excel 方法:
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OdbcConnection Connnection = new OdbcConnection();
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Connnection.ConnectionString = "Driver={Microsoft Excel Driver (*.xls)};Readonly=0;DBQ=" + itemFile;
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OdbcCommand cmd = new OdbcCommand();
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cmd.Connection = Connnection;
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Connnection.Open();
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cmd.CommandText="Insert into [Sheet1$] (name,password) values ('admin','admin')";
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cmd.ExecuteNonQuery();
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Connnection.Close();

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如果更新的话,CommandText值改成Update语句就可以了。
觉得值得注意的地方:执行写操作时,ConnectionString要设置Excel文件可写。