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  • excel导入数据库的简单方法

    一个简单的方法将excel导入数据库

    private void Plan_Import_Execl()
            {
                OpenFileDialog fileDialog = new OpenFileDialog();
                fileDialog.Multiselect = true;
                fileDialog.Title = "请选择文件";
                fileDialog.Filter = "xls files (*.xlsx)|*.xlsx";
                if (fileDialog.ShowDialog() == DialogResult.OK)
                {
                    OperateExcel opExcel = new OperateExcel(fileDialog.FileName);
                    DataTable dt = (DataTable)opExcel.ExcelToDatatalbe();
                    for (int i = 1; i < dt.Rows.Count; i++)
                    {
                        string sql = string.Format("select * from t_mes_hw_cust_code_info where cust_code='{0}'", dt.Rows[i][0].ToString().Trim());
                        DataTable dtt = DBManager.DBHelp.Instance().GetDataTable(sql);
                        if (dtt.Rows.Count > 0)
                        {
                            sql = string.Format("update  cust_code_info set COLOR_CODE='{2}',PROJECT_CODE='{1}',COLOR_NAME='{3}',EAN_UPC='{4}' where CUST_CODE='{0}' ",
                                dt.Rows[i][0].ToString().Trim(), dt.Rows[i][1].ToString().Trim(), dt.Rows[i][2].ToString().Trim(), dt.Rows[i][3].ToString().Trim(), dt.Rows[i][4].ToString().Trim());

                        }
                        else
                        {
                            sql = string.Format("insert into  cust_code_info (CUST_CODE,PROJECT_CODE,COLOR_CODE,COLOR_NAME,EAN_UPC) values ('{0}','{1}','{2}','{3}','{4}')",
                                                       dt.Rows[i][0].ToString().Trim(), dt.Rows[i][1].ToString().Trim(), dt.Rows[i][2].ToString().Trim(), dt.Rows[i][3].ToString().Trim(), dt.Rows[i][4].ToString().Trim());
                        }
                        int ii = DBManager.DBHelp.Instance().ExecuteSql(sql);

                    }
                }
            }

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  • 原文地址:https://www.cnblogs.com/hanje/p/10779453.html
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