Getting error "Index was out of range" while assign value to gridview from datatable

SqlCommand cmd = new SqlCommand("Select _name from Computers", con);
SqlDataAdapter DA = new SqlDataAdapter(cmd);
DataTable dt = new DataTable();
DA.Fill(dt);
for (int i = 0; i <dt.rows.count;>
{
   GridView2.Rows[0].Cells[1].Text = dt.Rows[1]["_name"].ToString();
}

Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index 

[ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index]
   System.Collections.ArrayList.get_Item(Int32 index) +7492824
   System.Web.UI.WebControls.GridViewRowCollection.get_Item(Int32 index) +13
   _Default.Butto   n3_Click(Object sender, EventArgs e) in c:\Users\vn73662\Desktop\MyTest\Dashboard.aspx.   cs:78
   System.Web.UI.WebControls.Button.On    Click(EventArgs e) +111
   System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +110
   System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10
   System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13      System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +36
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1565