在线考试系统

问题描述

先生
下一个问题按钮的代码有问题.我编写了代码，但是单击下一步按钮时，它仅显示两个问题.
我的代码如下:-

sir
have a problem in code for the next question button. i write a code but on clicking the next button it shows only two questions.
my code is as follows:-

public partial class test : System.Web.UI.Page
{
    int x = 0;
    int ans1 = 0;
    SqlConnection ob = new SqlConnection(ConfigurationManager.ConnectionStrings["upsc"].ToString());



    protected void Page_Load(object sender, EventArgs e)
    {
        question();
    }
    protected void question()
    {
        ob.Open();

        String a = "Select que,op1,op2,op3,op4,answer from test";
        SqlDataAdapter objcmd = new SqlDataAdapter(a, ob);
        DataSet ds = new DataSet();
        objcmd.Fill(ds, "exam" );
        lblQues.Text = ds.Tables["exam"].Rows[x][0].ToString();
        RadioButton1.Text = ds.Tables["exam"].Rows[x][1].ToString();
        RadioButton2.Text = ds.Tables["exam"].Rows[x][2].ToString();
        RadioButton3.Text = ds.Tables["exam"].Rows[x][3].ToString();
        RadioButton4.Text = ds.Tables["exam"].Rows[x][4].ToString();
        ans.Text = ds.Tables["exam"].Rows[x][5].ToString();


        x++;
        ob.Close();
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        ob.Open();

        lblQues.Text = ds.Tables["exam"].Rows[x][0].ToString();
        RadioButton1.Text = ds.Tables["exam"].Rows[x][1].ToString();
        RadioButton2.Text = ds.Tables["exam"].Rows[x][2].ToString();
        RadioButton3.Text = ds.Tables["exam"].Rows[x][3].ToString();
        RadioButton4.Text = ds.Tables["exam"].Rows[x][4].ToString();
        ans.Text = ds.Tables["exam"].Rows[x][5].ToString();


        x++;
    }


}

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