//打开excel的题库，将其转换成list格式，并初始化两个列表
private void OpenFileBtn_Click(object sender, EventArgs e)
{
// string strOdbcConn;
if (OpenFileDlg.ShowDialog() == DialogResult.OK)
{
_FileName = OpenFileDlg.FileName;
}
if (!string.IsNullOrEmpty(_FileName))
{
if (TimuList == null)
{
TimuList = new List <TiMuItem>();
}
else
{
TimuList.Clear();
}
if (TimuWrongList == null)
{
TimuWrongList = new List <TiMuItem>();
}
else
{
TimuWrongList.Clear();
}
//选择题库的按钮禁用
this.OpenFileBtn.Enabled = false;
this.Cursor = Cursors.WaitCursor;
ReadExcel readExcel = new ReadExcel();
string[,] readResult = readExcel.OpenExcel(_FileName, "A", "D");
readResult.GetLength(0);
for (int i = 0; i < readResult.GetLength(0); i++)
{
TiMuItem item = new TiMuItem();
item.XuHao = int.Parse(readResult[i, 0]);
item.Type = readResult[i, 1];
item.Content = readResult[i, 2];
item.Answer = readResult[i, 3];
TimuList.Add(item);
}
/*
* int[,,,] arr = new int[9, 8, 7, 6];
* arr.Rank;//返回4
* arr.GetLength(0);//返回9
* arr.GetLength(1);//返回8
* arr.GetLength(2);//返回7
* arr.GetLength(3);//返回6
* arr.GetUpperBound(0)+1;//返回9
* arr.Length;//返回3024
*
*/
//strOdbcConn = string.Format(@"Provider=Microsoft.Jet.OLEDB.4.0;Persist Security Info=False;Data Source={0}; Extended Properties=Excel 8.0;", _FileName);
//using (OleDbConnection OleDb = new OleDbConnection(strOdbcConn))
//{
// OleDb.Open();
// //"select * from [Sheet1$] where 类型='多选题'"
// OleDbCommand oleCommmand = new OleDbCommand("select * from [Sheet1$];", OleDb);
// OleDbDataReader dr = oleCommmand.ExecuteReader();
// while (dr.Read())
// {
// TiMuItem item = new TiMuItem();
// item.XuHao = int.Parse(dr[0].ToString());
// item.Type = dr[1].ToString();
// item.Content = dr[2].ToString();
// item.Answer = dr[3].ToString();
// TimuList.Add(item);
// }
// dr.Close();
//}
this.groupBox1.Visible = true;
this.label1.Text = "题目总数：" + TimuList.Count.ToString();
this.Cursor = Cursors.Default;
this.NextBtn.Visible = true;
}
}