private void button11_Click(object sender, EventArgs e) { string s = ""; OleDbConnection conn = new OleDbConnection(accesspath); if (button11.Text == "查看帖子") { conn = new OleDbConnection(accesspath); panel_tiezi.Visible = true; OleDbDataAdapter da = new OleDbDataAdapter("select * from tiezi", conn); DataTable dt = new DataTable(); da.Fill(dt); //dt.Columns.Remove("ID"); // dt.Columns.Remove("发帖时间(数字)"); dataGridView4.DataSource = dt; dataGridView4.Columns["ID"].Visible = false; dataGridView4.Columns["发帖时间(数字)"].Visible = false; conn.Close(); conn.Dispose(); da.Dispose(); } if (button11.Text == "发表帖子") { string str = "select * from login where 用户名='" + label36.Text + "'"; OleDbDataAdapter da = new OleDbDataAdapter(str, conn); DataSet ds = new DataSet(); da.Fill(ds, "login"); s = ds.Tables["login"].Rows[0]["姓名"].ToString(); tiezi f = new tiezi(); f.Show(); f.label1.Text = s; f.panel_ttiezi.Visible = false; f.panel_stiezi.Visible = true; conn.Open(); conn.Dispose(); da.Dispose(); } if (button11.Text == "查看帖子 ") { string str = "select * from login where 用户名='" + label36.Text + "'"; OleDbDataAdapter da = new OleDbDataAdapter(str, conn); DataSet ds = new DataSet(); da.Fill(ds, "login"); s = ds.Tables["login"].Rows[0]["编号"].ToString(); tiezi f = new tiezi(); f.Show(); f.label1.Text = s; f.panel_ttiezi.Visible = true; f.panel_stiezi.Visible = false; conn.Open(); conn.Dispose(); da.Dispose(); } }
private void label41_Click(object sender, EventArgs e) { tiezi f = new tiezi(); f.Show(); f.label1.Text = "管理员"; f.panel_ttiezi.Visible = true; f.panel_stiezi.Visible = false; f.button4.Visible = true; f.dataGridView2.ReadOnly = false; f.dataGridView2.Columns["Column1"].Visible = true; }