Can i add Table DataTable into DataSet of Class ?

Dong Trien Lam — Wed, 04 May 2016 22:05:13 GMT

When I press F5 error: warning error here: Cannot implicitly convert type 'void' to 'System.Data.DataTable'

[CODE]

public class NewDataSet : DataSet

{

public NewDataSet()

: base()

{

DataTable dt = new DataTable("table");

DataSetName = "NewDataSet";

dt.Columns.Add("item_desc", typeof(string));

dt.Columns.Add("Ins", typeof(int));

dt.Columns.Add("Kg", typeof(int));

dt.Columns.Add("Qty", typeof(int));

dt.Columns.Add("Total", typeof(int));

dt.Columns.Add("Date", typeof(DateTime));

Tables.AddRange(new DataTable[] { dt });

}

public static NewDataSet CreateData(DataTable dta)

{

NewDataSet ds = new NewDataSet();

DataTable dt = ds.Tables.Add(dta); // warning error here: Cannot implicitly convert type 'void' to 'System.Data.DataTable'

return ds;

}

#region Disable Serialization for Tables and Relations

[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]

public new DataTableCollection Tables

{

get { return base.Tables; }

}

[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]

public new DataRelationCollection Relations

{

get { return base.Relations; }

}

#endregion Disable Serialization for Tables and Relations

}

[/CODE]

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