索引超出范围

[w_775728638]

for (int i = 0; i < GridView1.Rows.Count; i++)
{

for (int j = 0; j < GridView1.HeaderRow.Cells.Count; j++)
{
double endscore = 0;
double ss = 0;
string Coln = GridView1.Columns[j].HeaderText.ToString();
DataTable dt1 = total.GetTotalGrade(Coln);
double credit = Convert.ToDouble(dt1.Rows[0]["credit"].ToString().Trim());
endscore = ss + Convert.ToDouble(GridView1.Rows[i].Cells[j].Text.Trim()) / credit;
string End = Convert.ToString(endscore);
GridView1.Rows[i].Cells[2].Text = End;
}


}

[人傻且呆但不萌]

HeaderRow.Cells.Count GridView1.Columns.Count(如果有这个属性的话) 对比一下这两个值看看

[w_775728638]

引用 1 楼 nice_fish 的回复:

HeaderRow.Cells.Count GridView1.Columns.Count(如果有这个属性的话) 对比一下这两个值看看

GridView1.Columns.Count等于0

[九幽之君]

用foreach循环 还有你那列的集合等于0，是不是有问题啊！

[potato-pyy]

在for循环gridview时加上 if(GridView1.Rows.Count>0){ for (int i = 0; i < GridView1.Rows.Count; i++) { //楼主相关代码 } }