Excel表操作
如何将Excel表中的某单元格的值赋给另外一个。比如此某列值为空，把该行的某个单元格的值赋给这个空单元格。

[解决办法]

C# code

修改第一行Name的值为张三string strComm = "update [Sheet1$] set Name='张三' where id = 1";OleDbConnection myConn = new OleDbConnection(strConn);myConn.Open();OleDbCommand com = new OleDbCommand(strComm, myConn);com.ExecuteNonQuery();myConn.Close();
[解决办法]
C# code
  MSEXCEL.Application excelapp=new Microsoft.Office.Interop.Excel.Application();                object objOpt = System.Reflection.Missing.Value;                MSEXCEL.Workbook exceelDoc = excelapp.Workbooks.Open(this.saveFileDialog1.FileName, objOpt, false, objOpt, objOpt, objOpt, true, objOpt, objOpt, true, objOpt, objOpt, objOpt, objOpt, objOpt);                MSEXCEL.Worksheet ws = (MSEXCEL.Worksheet)exceelDoc.Sheets[1];                MSEXCEL.Range r;                r = ws.get_Range("I12", "I12");//获得I12,I12单元格                  r.Value2=赋值;(想取的单元格的Value2)