Asp.net中获取DataTable选择第一行某一列值

usingSystem;

usingSystem.Collections.Generic;

usingSystem.Data;

usingSystem.Linq;

usingSystem.Text;

usingSystem.Threading.Tasks;

usingInsus.NET.Models;

namespaceInsus.NET.Entities

{

 publicclassCustomerEntity

 {

  publicDataTable Customers()

  {

   DataTable dt =newDataTable();

   dt.Columns.Add(newDataColumn("CustomerID",typeof(int)));

   dt.Columns.Add(newDataColumn("CustomerName",typeof(string)));

   dt.Columns.Add(newDataColumn("PID",typeof(string)));

   DataRow dr = dt.NewRow();

   dr["CustomerID"] = 9; dr["CustomerName"] ="张三"; dr["PID"] ="123456789012";

   dt.Rows.Add(dr);

   dr = dt.NewRow();

   dr["CustomerID"] = 10; dr["CustomerName"] ="李四"; dr["PID"] ="321245677812";

   dt.Rows.Add(dr);

   dr = dt.NewRow();

   dr["CustomerID"] = 30; dr["CustomerName"] ="吴广"; dr["PID"] ="213445678912";

   dt.Rows.Add(dr);

   dr = dt.NewRow();

   dr["CustomerID"] = 35; dr["CustomerName"] ="王维"; dr["PID"] ="334456789012";

   dt.Rows.Add(dr);

   dr = dt.NewRow();

   dr["CustomerID"] = 36; dr["CustomerName"] ="赵勇"; dr["PID"] ="213445678912";

   dt.Rows.Add(dr);

   returndt;

  }

 }

}