//后台代码
protected void XXX_GridView_RowDataBound(object sender, GridViewRowEventArgs e)        {            if (e.Row.RowType == DataControlRowType.DataRow || e.Row.RowType == DataControlRowType.Header)            {
                //保持列不变形                for (int i = 1; i < e.Row.Cells.Count; i++)                {                    //方法一：                    e.Row.Cells[i].Text = " " + e.Row.Cells[i].Text + " ";                    e.Row.Cells[i].Wrap = false;                    //方法二：                    //e.Row.Cells[i].Text = "<nobr> " + e.Row.Cells[i].Text + " </nobr>";                }            }        }

别忘了，在前端gridview中要添加 onrowdatabound="XXX_GridView_RowDataBound"

OK~~~查了好久资料，记录一哈

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GridView根据字段自适应宽度