获取DataGridView内容并将这些值放入C#列表的最佳方法是什么?
答案 0 :(得分:13)
List<MyItem> items = new List<MyItem>();
foreach (DataGridViewRow dr in dataGridView1.Rows)
{
MyItem item = new MyItem();
foreach (DataGridViewCell dc in dr.Cells)
{
...build out MyItem....based on DataGridViewCell.OwningColumn and DataGridViewCell.Value
}
items.Add(item);
}
答案 1 :(得分:5)
如果使用DataSource绑定列表,则可以使用以下命令转换回来:
List<Class> myClass = DataGridView.DataSource as List<Class>;
答案 2 :(得分:4)
或者linq方式
var list = (from row in dataGridView1.Rows.Cast<DataGridViewRow>()
from cell in row.Cells.Cast<DataGridViewCell>()
select new
{
//project into your new class from the row and cell vars.
}).ToList();
答案 3 :(得分:4)
var Result = dataGridView1.Rows.OfType<DataGridViewRow>().Select(
r => r.Cells.OfType<DataGridViewCell>().Select(c => c.Value).ToArray()).ToList();
或获取值
的字符串字典var Result = dataGridView1.Rows.OfType<DataGridViewRow>().Select(
r => r.Cells.OfType<DataGridViewCell>().ToDictionary(c => dataGridView1.Columns[c.OwningColumn].HeaderText, c => (c.Value ?? "").ToString()
).ToList();
答案 4 :(得分:1)
IEnumerable.OfType<TResult>
扩展方法可以成为您最好的朋友。以下是我通过LINQ查询完成的方法:
List<MyItem> items = new List<MyItem>();
dataGridView1.Rows.OfType<DataGridViewRow>().ToList<DataGridViewRow>().ForEach(
row =>
{
foreach (DataGridViewCell cell in row.Cells)
{
//I've assumed imaginary properties ColName and ColValue in MyItem class
items.Add(new MyItem { ColName = cell.OwningColumn.Name, ColValue = cell.Value });
}
});