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StringBuilder sb = new StringBuilder();
foreach (DataRow dr in db.Tables[0].Rows)
{
sb.AppendFormat("{0}\r\n", dr["date"].ToString());
}
//你的代码,加上:
textBox11.Text = sb.ToString();
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
//测试数据
DataTable dt = new DataTable();
dt.Columns.Add("date");
for (int i = 1; i < 4; i++)
{
DataRow dr = dt.NewRow();
dr[0] = string.Format("2017-01-0{0}",i.ToString());
dt.Rows.Add(dr);
}
//你需要的, 只是下面这一段
StringBuilder sb = new StringBuilder();
foreach (DataRow dr in dt.Rows)
{
sb.AppendFormat("{0}\r\n", dr["date"].ToString());
}
//你的代码,加上:
//textBox11.Text = sb.ToString();
Console.WriteLine(sb.ToString());
Console.Read();
}
}
}