using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Data;

public partial class Default2 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            SqlConnection conn = new SqlConnection("Data Source=.;Initial Catalog=fjx;User ID=sa;Password=1234");
            SqlCommand com = conn.CreateCommand();
             = "select * from Department";
            SqlDataAdapter da = new SqlDataAdapter();
            da.SelectCommand = com;
            DataSet ds = new DataSet();
            conn.Open();
            da.Fill(ds);
            conn.Close();
            int i = ds.Tables[0].Rows.Count;
            if (i>0)
            {
                int iRow = ds.Tables[0].Rows.Count;
                int iColumn = 2;
                for (int j = 0; j < iRow; j++)
                {
                    TableRow newRow = new TableRow();
                    tblshow.Controls.Add(newRow);
                    for (int k = 0; k < iColumn; k++)
                    {
                        TableCell newCell = new TableCell();
                        string strContent = "";
                        if (k == 0)
                        {
                            int iIndex = j + 1;
                            strContent = iIndex.ToString();
                        }
                        else
                        {
                            strContent = ds.Tables[0].Rows[j][k].ToString();
                        }
                        newCell.Text = strContent;
                        newRow.Controls.Add(newCell);
                    }
                }
            }
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        Response.Redirect("~\\Default.aspx/");
    }
}运行后提示我数组访问越界，什么问题

这个表有多少列啊？程序中固定为2，是否是这个原因？加些调试信息看看

看看

超出了索引

跟下代码 就看到了的啊

检查一下这句代码   int i = ds.Tables[0].Rows.Count;
看是否成功从数据库拿到数据，如果没有成功拿到数据，ds.Tables.Count=0，你用ds.Tables[0]，当然会产生越界。