1 //自适应列宽 2 3 this.dgvBaoming.AutoSizeColumnsMode = System.Windows.Forms.DataGridViewAutoSizeColumnsMode.AllCells;
//平铺均分列宽 this.dgvBaoming.AutoSizeColumnsMode = System.Windows.Forms.DataGridViewAutoSizeColumnsMode.Fills;
原文：http://www.cnblogs.com/luxiaoyao/p/5703092.html