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;
}
