DataGridViewComboBoxColumn dataGridView每次加载时DataGridViewComboBoxColumn列显示其中一个默认值,但是当传递参数的时候这列没有被另选值的都为null,不是默认值。只有选择了其他值得传递有参数。何也???????? 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 我这样写上去的den.Items.AddRange(new object[] {"一级","二级","三级","明细"});den.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter;//表头对齐方式dataGridViewCellStyle1.NullValue = den.Items[3].ToString().Trim();默认值为“明细” DataGridViewComboBoxColumn den; den = new DataGridViewComboBoxColumn();//单元格实例化成列 den.ReadOnly = false; den.Name = "汇总级"; den.Tag = ""; den.HeaderText = "汇总级"; den.Width = 60; den.SortMode = DataGridViewColumnSortMode.NotSortable; den.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;//表格内容对齐方式 den.DefaultCellStyle.SelectionForeColor = Color.Black; den.DefaultCellStyle.SelectionBackColor = Color.Bisque; den.DefaultCellStyle.ForeColor = Color.Black; den.Items.AddRange(new object[] { "一级", "二级", "三级", "明细" }); den.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter;//表头对齐方式 den.DefaultCellStyle = dataGridViewCellStyle1; this.dataGridView1.Columns.Add(den); for (int i = 0; i < this.dataGridView1.Rows.Count; i++) { dataGridView1.Rows[i].Cells[2].Value = "明细"; } OA来新文件报警怎么弄 c#如何读取XML节点下某些字段的内容 容器内控件布局问题(在线等) winFrom某一窗体新增数据,刷新其它窗体数据的问题 一切就是来的那么突然 System.Runtime.InteropServices.SEHException: 外部组件发生异常。 这代码为什么不能把窗口靠到屏幕左边 空引用异常,数据库连接问题 关于 list 求交集, 高手请进了…… 怎么给自定义的菜单作阴影? 求助各位大佬 有关于两个进程互斥的问题,急!!!!! MDI窗体与数据库问题
den.Items.AddRange(new object[] {"一级","二级","三级","明细"});
den.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter;//表头对齐方式
dataGridViewCellStyle1.NullValue = den.Items[3].ToString().Trim();
默认值为“明细”
den = new DataGridViewComboBoxColumn();//单元格实例化成列
den.ReadOnly = false;
den.Name = "汇总级";
den.Tag = "";
den.HeaderText = "汇总级";
den.Width = 60;
den.SortMode = DataGridViewColumnSortMode.NotSortable;
den.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;//表格内容对齐方式
den.DefaultCellStyle.SelectionForeColor = Color.Black;
den.DefaultCellStyle.SelectionBackColor = Color.Bisque;
den.DefaultCellStyle.ForeColor = Color.Black;
den.Items.AddRange(new object[] { "一级", "二级", "三级", "明细" });
den.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleCenter;//表头对齐方式
den.DefaultCellStyle = dataGridViewCellStyle1;
this.dataGridView1.Columns.Add(den);
for (int i = 0; i < this.dataGridView1.Rows.Count; i++)
{
dataGridView1.Rows[i].Cells[2].Value = "明细"; }