Exception Handling when the value type obtained by DataRow is NULL or NULL. datarownull

Exception Handling when the value type obtained by DataRow is NULL or NULL. datarownull

// Obtain the DataSet content DataSet ContractDS = dal. GetJHFKStr (jhfubh); // verify whether the DataSet is empty if (! DataSetUtil. IsNullOrEmpty (ContractDS) |! DataSetUtil. isEmptyRows (ContractDS) {// obtain the data of the current row DataRow ContractDr = ContractDS. tables [0]. rows [0]; // obtain the current field value. For example, if DBNull is used, the default value is 0 string spfkjeString = ContractSQStr ["approve payment amount"] = DBNull. value? "0": ContractSQStr ["approve payment amount"]. toString (); // convert to the numeric type decimal spfkje = decimal. parse (spfkjeString);} The first blog is not refined but practical. I hope I can stick to it and become the person I want to be.