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POError show java.sql.SQLException: Parameter index out of range (1 > number of parameters, which is 0)
 

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  1. POError show java.sql.SQLException: Parameter index out of range (1 > number of parameters, which is 0)
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    <p>I have three table 1.User 2.Branch 3 userbranch. I have trying to solve login form. but when login button is click it's show this error java.sql.SQLException: Parameter index out of range (1 > number of parameters, which is 0).</p> <pre><code>public Boolean loginApplication(Connection con, String uname, String pwd, String brnch) { try { PreparedStatement ps = con.prepareStatement("Select u.username,u.password," + "b.branchname from user u, branch b ,userbranch ub" + "where u.userid = ub.userid and b.branchid=ub.branchid "); ps.setString(1, uname); ps.setString(2, pwd); ps.setString(3, brnch); ResultSet rs = ps.executeQuery(); System.out.println("query return " + rs); if (rs.next()) { return true; //true if query found any corresponding data } else{ return false; } } catch (SQLException ex) { System.out.println("Error while validating " + ex); return false; } } private void buttonloginActionPerformed(java.awt.event.ActionEvent evt) { String uname=username.getText(); String upass=userpassword.getText(); String ubranch=userbranch.getSelectedItem().toString().trim(); if(evt.getSource()==buttonlogin){ if(user.loginApplication(connect.getCon(),uname,upass,ubranch)){ System.out.println("success"); MainForm mainForm=new MainForm(); mainForm.setVisible(true); } } else{ JOptionPane.showMessageDialog(null, "Login failed!","Failed!!", JOptionPane.ERROR_MESSAGE); } } </code></pre> <p>Shows error: </p> <pre><code>java.sql.SQLException: Parameter index out of range (1 &gt; number of parameters, which is 0). </code></pre>
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PTQuestion
    1. USAndrew Thompson
    1. USSnahar
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PO
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    2. PO
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    1. VO
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      1. POError show java.sql.SQLException: Parameter index out of range (1 > number of parameters, which is 0)
      1. This table or related slice is empty.
      1. VTDownMod
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      1. POError show java.sql.SQLException: Parameter index out of range (1 > number of parameters, which is 0)
      1. This table or related slice is empty.
      1. VTDownMod
    1. COYour post is very hard to read due to all the blank lines for no reason. Please edit it, bearing in mind that you're asking for others to help you - it's up to you to make it as easy to read as possible.
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      1. POError show java.sql.SQLException: Parameter index out of range (1 > number of parameters, which is 0)
      1. USJon Skeet
    2. COA single blank line of white space in source code is *always* enough. Blank lines after `{` or before `}` are also typically redundant.
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      1. POError show java.sql.SQLException: Parameter index out of range (1 > number of parameters, which is 0)
      1. USAndrew Thompson
 

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