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if ( Convert .ToInt32(dsavailablity.Tables[ 0 ].Rows.Count) > Convert .ToInt32(dsavailablity.Tables[ 0 ].Rows[i])) While i checking this condition i am getting this error " Unable to cast object of type 'System.Data.DataRow' to type 'System.IConvertible'." pls provide me solution for that. You can't convert a whole row to an int! It doesn't work because a row contains zero or more values - and it can't convert more than one value to an int.
Convert.ToInt32(dsavailablity.Tables[0].Rows[i].Cells[0])
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