c#中datagridview中怎么替换一列

//绑定数据源

DataTable dt1 = new DataTable();

DataTable dt2 = new DataTable();

{

...获得DataGridView及ComboBox数据源

}

datagridview1.DataSource = dt1;

//创建要更改的列对象

DataGridViewComboBoxColumn dgvcbc = new DataGridViewComboBoxColumn();

dgvcbc.DataSource = dt2;

dgvcbc.DisplayMember = "要显示的字段名";

dgvcbc.ValueMember = "值字段名";

dgvcbc.HeaderText = "列头";

dgvcbc.ReadOnly = true/false ;是否编辑用

dgvcbc.DisplayStyle = DataGridViewComboBoxColumnDisplayStlay.ComboBox; 可选

//可有可无,在未知索引的情况下

foreach(DataGridViewColumn var in datagridview1.Columns)

{

...找到你要更改的列的索引 index

}

//在要更改的列前面插入新列

datagridview1.Columns.insert(index,dgvcbc);

//为新列更改值

foreach(DataGridViewRow var in datagridview1.Rows)

{//自己看着办,选中值有很多种方法

dgvcbc.SelectedValue = var.Cells[index+1].Value.toString();

}

//将要替换的列删除,这样新添加的列顺理成章的替换了原来的列

datagridview1.Removeat(index+1);