如何进行数据表合并? [英] How to do Datatable Merging ?
本文介绍了如何进行数据表合并?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
i have two datatables,
DataTable dt1=obj.SomeFunction();
DataTable dt2=obj.SomeFunction();
// I put an iteration on dt1 to select some value from dt2 e.x
foreach(DataRow row in dt1.Rows)
{
string s=dt1.row["ColumnName"].ToString();
var newquery = from b in dt2.AsEnumerable()
let somevariable= b.Field<string>("DataColumn").ToString()
where (s== somevariable)
select new
{
somevariable
};
//here i want to add each itteration into list<> and then. add the list<> to dt1
}
推荐答案
Try
Try
dt1.Merge(dt2.AsEnumerable().Where(x=>x.Field<string>("DataColumn") == somevariable).CopyToDataTable());
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