大家帮我看下，谢谢了，老显示列名无效
using System;using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
namespace Window1
{
public partial class AddQuestion : Form
{
public AddQuestion()
{
InitializeComponent();
}
private void rdoA_Click(object sender, EventArgs e)
{
string answer = ((RadioButton)sender).Text;
MessageBox.Show("你选择了答案" + answer, "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
private void rdoDifficult_Click(object sender, EventArgs e)
{
string answer = ((RadioButton)sender).Text;
MessageBox.Show("你选择了难度为" + answer, "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
private void btnClose_Click(object sender, EventArgs e)
{
this.Visible = false;
}
private void btnAdd_Click(object sender, EventArgs e)
{
string question = txtQusetion.Text;
string a = txtOptionA.Text;
string b = txtOptionB.Text;
string c = txtOptionC.Text;
string d = txtOptionD.Text;
string answer = answer1();
string difficulty = difficulty1();
int subject = subject1();
string sql = string.Format(@"insert into Question(Question,OptionA,OptionB,OptionC,OptionD,Answer,Difficulty,SubjectId)
values('{0}','{1}','{2}','{3}','{4}','{5}',{6},{7})", question, a, b, c, d, answer, difficulty, subject);
try
{
SqlCommand command = new SqlCommand(sql, DBHelper.connection);
DBHelper.connection.Open();
int num = command.ExecuteNonQuery();
if (num != 1)
{
MessageBox.Show("添加失败", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
else
{
MessageBox.Show("添加成功", "操作提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
DBHelper.connection.Close();
}
}
private string answer1()
{
string answer1 = "";
if (rdoA.Checked)
{
answer1 = rdoA.Text;
}
else if (rdoB.Checked)
{
answer1 = rdoB.Text;
}
else if (rdoC.Checked)
{
answer1 = rdoC.Text;
}
else if (rdoD.Checked)
{
answer1 = rdoD.Text;
}
return answer1;
}
private string difficulty1()
{
string difficulty = "";
if (rdoDifficult.Checked)
{
difficulty = rdoDifficult.Text;
}
else if (rdoNormal.Checked)
{
difficulty = rdoNormal.Text;
}
else if (rdoEasy.Checked)
{
difficulty = rdoEasy.Text;
}
return difficulty;
}
private int subject1()
{
int subject = 0;
string sql = string.Format("select SubjectId from Subject where SudjectName='{0}'", comboBox1.Text);
try
{
SqlCommand command = new SqlCommand(sql, DBHelper.connection);
DBHelper.connection.Open();
SqlDataReader datareader = command.ExecuteReader();
if (datareader.Read())
{
subject = (int)datareader[0];
}
datareader.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
DBHelper.connection.Close();
}
return subject;
}
private void AddQuestion_Load(object sender, EventArgs e)
{
string sql = string.Format("select SubjectName from Subject");
SqlCommand command = new SqlCommand(sql, DBHelper.connection);
try
{
DBHelper.connection.Open();
SqlDataReader datareader = command.ExecuteReader();
string kuMu = "";
while (datareader.Read())
{
kuMu = (string)datareader[0];
comboBox1.Items.Add(kuMu);
}
datareader.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
DBHelper.connection.Close();
}
}
}
}
老显示列名StudentName列名无效，我快晕死了，列名和数据库里都核对过了，没错呀 --------------------编程问答-------------------- SudjectName? d<>b --------------------编程问答-------------------- patrickkong大哥，说具体点好么？我看不懂你这是什么意思？本人刚学，不怎么懂，谢谢了 --------------------编程问答-------------------- SudjectName 是错误的，应该是SubjectName --------------------编程问答-------------------- 你给的两个都是一样的呀 --------------------编程问答-------------------- 我的妈呀，眼神，一个是d，一个是b --------------------编程问答-------------------- 不好意思，一个字母错了，犯了个低级错误，不好意思，非常感谢，终于找出来了，刚才试过了，ok了，谢谢了 --------------------编程问答--------------------
--------------------编程问答-------------------- 飘过 --------------------编程问答-------------------- 楼主快结贴吧。
猩猩们饿着呐。
补充：VB , 网络编程
