Loop through all the rows in all the pages of an ASP.NET GridView

One simple way to loop through all the rows in all the pages of a GridView is to access its DataSource. Shown here is the code of how to do so:

C#

    protected void Button1_Click(object sender, EventArgs e)

    {

        DataSourceSelectArguments dsaArgs = new DataSourceSelectArguments();

        DataView view = (DataView)SqlDataSource1.Select(dsaArgs);

        DataTable dt = view.ToTable();

        for (int i = 0; i < dt.Rows.Count; i++)

        {

            for (int j = 0; j < dt.Columns.Count; j++)

            {

                string s = dt.Rows[i][j].ToString();

            }

        }

    }

VB.NET

    Protected Sub Button1_Click(ByVal sender As Object, ByVal e As EventArgs)

        Dim dsaArgs As DataSourceSelectArguments = New DataSourceSelectArguments()

        Dim view As DataView = CType(SqlDataSource1.Select(dsaArgs), DataView)

        Dim dt As DataTable = view.ToTable()

        For i As Integer = 0 To dt.Rows.Count - 1

            For j As Integer = 0 To dt.Columns.Count - 1

                Dim s As String = dt.Rows(i)(j).ToString()

            Next j

        Next i

    End Sub

Note: SqlDataSource1.Select(args) will make a call to the db every time it is accessed.

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About The Author

Suprotim Agarwal, ASP.NET Architecture MVP works as an Architect Consultant and provides consultancy on how to design and develop Web applications.

Suprotim is also the founder and primary contributor to DevCurry, DotNetCurry and SQLServerCurry. He has also written an EBook 51 Recipes using jQuery with ASP.NET Controls.

Follow him on twitter @suprotimagarwal