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我想將DB值存儲到兩個不同的數組中。如果test_type是「New」=>存儲第一個數組,else =>第二個數組。獲取「SEVERE:null java.sql.SQLException:沒有數據發現錯誤」,同時將rs.getString值分配給變量\ array。任何人都可以幫我解決這個問題嗎?正在使用MS訪問作爲DB獲取SEVERE:null java.sql.SQLException:沒有發現數據錯誤
代碼:
try {
DatabaseConnectivity();
stmt = conn.createStatement(ResultSet.TYPE_FORWARD_ONLY,ResultSet.CONCUR_READ_ONLY);
String select="Select * from (SELECT DISTINCT test_name,test_type FROM ScenarioTable)order by test_type ";
ResultSet rs = stmt.executeQuery(select);
String colvalues;
String print="null";
int arycount=1;
basicarray=new String [20][20];
newarray=new String [20][20];
while (rs.next()) {
print=rs.getString(1);
if (print.equals("New")) {
for(int itration=1;itration<=2;itration++) {
colvalues=rs.getString(itration);
newarray[arycount][itration]=colvalues;
}
} else {
for(int itration=1;itration<=2;itration++) {
colvalues=rs.getString(itration);
basicarray[arycount][itration]=colvalues;
}
arycount++;
}
錯誤:
Connection Successful
May 04, 2015 8:26:37 AM NewJFrame btn_refreshActionPerformed
SEVERE: null
java.sql.SQLException: No data found
at sun.jdbc.odbc.JdbcOdbc.standardError(JdbcOdbc.java:7145)
at sun.jdbc.odbc.JdbcOdbc.SQLGetDataString(JdbcOdbc.java:3914)
at sun.jdbc.odbc.JdbcOdbcResultSet.getDataString(JdbcOdbcResultSet.java:5697)
at sun.jdbc.odbc.JdbcOdbcResultSet.getString(JdbcOdbcResultSet.java:353)
at NewJFrame.btn_refreshActionPerformed(NewJFrame.java:1140)
at NewJFrame.access$1800(NewJFrame.java:47)
at NewJFrame$21.actionPerformed(NewJFrame.java:734)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018)