日期:2014-05-18  浏览次数:20462 次

在Button事件里如何给gridview赋值(asp.net2.0)
我想直接给gridview中的某个字段赋值,如:GridView1.Rows[i].Cells[0].Text="1234"; 
错误提示:索引超出范围。必须为非负值并小于集合大小。 
请问该如何实现,最好有详细的过程!

------解决方案--------------------
增加一个模板列
放进去一个TEXTBOX或者LABLE
设置你想要的值
------解决方案--------------------
你确定GridView里有数据吗?你要先绑定数据,再修改


for(int i=0;i<GridView1.Rows.Count;i++)
{
GridView1.Rows[i].Cells[0].Text="1234";
}
------解决方案--------------------
C# code

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class Test3 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        DataTable dt = DB.getDateTale("select EarningID from EarningListHistory");
        GridView1.DataSource = dt;
        GridView1.DataBind();

        for (int i = 0; i < GridView1.Rows.Count; i++) 
        {
            Label lll = (Label)GridView1.Rows[i].FindControl("EE");
            lll.Text = "2222222";
        }
    }
}