System.ArgumentException: Column 'release_st_po' does not belong to table obj.
at System.Data.DataRow.GetDataColumn(String columnName)
at System.Data.DataRow.get_Item(String columnName)
at State_Html_outvscomedist.GenerateFile(StreamWriter wr, String filenm) in E:\NetDocs\nrega\Netnrega\state_html\outvscomedist.aspx.vb:line 325System.NullReferenceException: Object reference not set to an instance of an object.
at State_Html_outvscomedist.GenerateFile(StreamWriter wr, String filenm) in E:\NetDocs\nrega\Netnrega\state_html\outvscomedist.aspx.vb:line 712
at State_Html_outvscomedist.Page_Load(Object sender, EventArgs e) in E:\NetDocs\nrega\Netnrega\state_html\outvscomedist.aspx.vb:line 61
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