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1.Êý¾Ý°ó¶¨¡£ DataReader ¶ÁÈ¡Êý¾Ý£¬ÓÃDataTable.Load(IDataReader)·½·¨½«Êý¾Ý¼ÓÔØµ½ DataTable £¬ÓÃDataGridView ÏÔʾÊä³ö¡£²»Òª°ÑDataGridViewÖ±½Ó°ó¶¨µ½DataReaderµÄÄ¿µÄÊÇÊý¾Ýµ¼³öµ½Excelʱ£¬Êý¾ÝÔ´¿ÉÒÔÔٴδÓDataGridView»ñµÃ¡£
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/**//// <summary>
///
/// ** DataTable Êý¾Ýµ¼³öµ½ Excel **
///
///  Author: ÖÜÕñÐË (Zxjay Ʈң)
///
///  E-Mail: tda7264@163.com
///
///  Blog: http://blog.csdn.net/zxjay
///
///  Date: 07-08-31
///
/// </summary>
                Excel.Application app = new Excel.Application();
                app.Visible = false;
                Excel.Workbook wb = app.Workbooks.Add(true);
                Excel.Worksheet ws = (Excel.Worksheet)wb.Worksheets.Add(Type.Missing, Type.Missing, Type.Missing,
Type.Missing);
                DataTable dt = (DataTable)dgvClientInfo.DataSource;
                for (int i = 0; i < dt.Columns.Count; i++)
                ...{
                    ws.Cells[1, i + 1] = dt.Columns[i].ColumnName;
      


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#define bits(p, d) { \
int _tmp=p->d, _bits=0; \
for (p->d=1; p->d; p->d<<=1) \
_bits++; \
p->d=_tmp; \
printf("%s->%s has %d bits", #p, #d, _bits); \
}
typedef struct _s{
int a:4;
} S;
int main()
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