//登录操作 private void btndeng_Click(object sender, EventArgs e) { if (CheckInput()) { try { conn.Open(); string sql = "select count(*) from dbo.denglumima where adminNo='" + this.txtzhang.Text + "' and adminpwd='" + this.txtmima.Text + "'"; SqlCommand com = new SqlCommand(sql, conn); int count = (int)com.ExecuteScalar(); if (count > 0) { this.Hide(); chaxun a = new chaxun(); a.Show(); } else { MessageBox.Show("登陆失败!", "操作提示"); this.txtzhang.Clear(); this.txtmima.Clear(); } } catch (Exception ex) { Console.WriteLine(ex); } finally { conn.Close(); } } }
private void 歌曲管理ToolStripMenuItem1_Click(object sender, EventArgs e) { chaxun S = new chaxun(); S.Show(); }