/// <summary>复制数据表到另一个数据表，复制所有数据列、索引和关系</summary>
/// <param name="src"></param>
/// <param name="des"></param>
/// <param name="resetColumnID">是否重置列ID</param>
/// <returns></returns>
public static IDataTable CopyAllFrom(this IDataTable src, IDataTable des, Boolean resetColumnID = false)
{
src.CopyFrom(des);
src.Columns.AddRange(des.Columns.Select(i => src.CreateColumn().CopyFrom(i)));
src.Indexes.AddRange(des.Indexes.Select(i => src.CreateIndex().CopyFrom(i)));
src.Relations.AddRange(des.Relations.Select(i => src.CreateRelation().CopyFrom(i)));
// 重载ID
//if (resetColumnID) src.Columns.ForEach((it, i) => it.ID = i + 1);
if (resetColumnID)
{
for (int i = 0; i < src.Columns.Count; i++)
{
src.Columns[i].ID = i + 1;
}
}
return(src);
}
