C# 将两个不同的dataTable合并到一个自定义的dataTable中

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1. //比较三种情况  
2.             for (int i = 0; i < dataTable_yh.Rows.Count; i++)  
3.             {  
4.                 string vin = dataTable_yh.Rows[i]["VIN"].ToString();  
5.                 string clxh = dataTable_yh.Rows[i]["CLXH"].ToString();  
6.                 string rllx = dataTable_yh.Rows[i]["RLLX"].ToString();  
7.                 DataRow[] dr = dataTable_tg.Select("CLXH='" + clxh + "' AND RLLX='" + rllx + "'");  
8.             //    //eoor1:不存在  
9.                 if (dr.Length < 1)  
10.                 {  
11.                     dtTable_error.Rows.Add(new object[] { vin, clxh, rllx });  
12.                 }  
13.                 else  
14.                 {  
15.                     string yh_zczbzl = dataTable_yh.Rows[i]["ZCZBZL"].ToString();  
16.                     string yh_zhgk = dataTable_yh.Rows[i]["ZHGK"].ToString();  
17.                     //error2:整车整备质量不一直  
18.                     if (!yh_zczbzl.Equals(dr[0]["ZCZBZL"]))   
19.                     {  
20.                         string tg_zczbzl = dr[0]["ZCZBZL"].ToString();  
21.                         dtTable_zczbzl.Rows.Add(new object[] { vin, clxh, rllx, yh_zczbzl, tg_zczbzl });  
22.                     }  
23.                     //error3:油耗实际值不一致  
24.                     if (!yh_zhgk.Equals(dr[0]["ZHGK"]))  
25.                     {  
26.                         string tg_zhgk = dr[0]["ZHGK"].ToString();  
27.                         dtTable_zhgk.Rows.Add(new object[] { vin, clxh, rllx, yh_zhgk, tg_zhgk });  
28.                     }  
29.                 }  
30.             }  

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1. //存入三个页面控件  
2.             this.gcTable1.DataSource = dtTable_zczbzl;  
3.             this.gcTable2.DataSource = dtTable_zhgk;  
4.             this.gcTable3.DataSource = dtTable_error;  
5.             //比较完初始选中的tab页  
6.             int selectTabIndex = 1;  
7.             if (dtTable_zczbzl.Rows.Count < 1)   
8.             {  
9.                 selectTabIndex = 2;  
10.                 if (dtTable_zhgk.Rows.Count < 1)   
11.                 {  
12.                     selectTabIndex = 3;  
13.                     if (dtTable_error.Rows.Count < 1)  
14.                     {  
15.                         MessageBox.Show("数据一致");  
16.                         return;  
17.                     }  
18.                 }  
19.             }  
20.             xtraTabControl1.SelectedTabPageIndex = selectTabIndex;