Data source is an invalid type. It must be either an IListSource, IEnumerable, or IDataSource.

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C#

ConnectionManager cm=new ConnectionManager ();
            SqlDataAdapter da = new SqlDataAdapter("select * from tblFeedsItems",cm.Connection );
            DataTable dt = new DataTable("dt");
            da.Fill(dt);
            GridView1.DataSource = da;
            GridView1.DataBind();

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on

C#

GridView1.DataSource = da;

give this error :
Data source is an invalid type. It must be either an IListSource, IEnumerable, or IDataSource.

Posted 28-Jun-14 19:48pm

‫محم د‬‎

Updated 29-Jun-14 20:05pm

VICK

v2

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OriginalGriff · Accepted Answer · 2014-06-28T20:10:00

Solution 1

Because you don't use the DataAdapter as teh source, you use the item it fills:

C#

DataTable dt = new DataTable("dt");
da.Fill(dt);
GridView1.DataSource = dt;

Posted 28-Jun-14 20:10pm

OriginalGriff