有没有办法从datatable中删除主键?或者先删除“PK”约束,然后再删除列本身?
谢谢!
更新:
dtTable.Columns.Add(new System.Data.DataColumn("PRIMARY_KEY", typeof(System.Int32)));
dtTable.PrimaryKey = new DataColumn[1] { dtTable.Columns["PRIMARY_KEY"] }; // throws an error
dtTable.Columns["PRIMARY_KEY"].AutoIncrement = true;