private void comboBox3_SelectedIndexChanged(object sender, EventArgs e) { string sql = "select Content from Data where Category = '" + comboBox2.Text + "' and Item = '" + comboBox3.Text + "'"; DataTable dt = SqliteDB.SqlTable(sql); richTextBox3.Text = dt.Rows[0][0].ToString(); }
private void tabControl1_SelectedIndexChanged(object sender, EventArgs e) { if (tabControl1.SelectedTab.Name == "show") { string sql = "select * from Data"; DataTable dt = SqliteDB.SqlTable(sql); FillTreeView(dt, treeView1); richTextBox1.Text = ""; } else if (tabControl1.SelectedTab.Name == "add") { string sql = "select distinct Category from Data"; DataTable dt = SqliteDB.SqlTable(sql); FillComboBox(dt, comboBox1, "Category"); comboBox1.Text = ""; textBox1.Text = ""; richTextBox2.Text = ""; } else { string sql = "select distinct Category from Data"; DataTable dt = SqliteDB.SqlTable(sql); FillComboBox(dt, comboBox2, "Category"); comboBox2.Text = ""; comboBox3.Items.Clear(); comboBox3.Text = ""; richTextBox3.Text = ""; } }
private void comboBox2_SelectedIndexChanged(object sender, EventArgs e) { string sql = "select Item from Data where Category = '" + comboBox2.Text + "'"; DataTable dt = SqliteDB.SqlTable(sql); FillComboBox(dt, comboBox3, "Item"); comboBox3.Text = ""; }
private void Form1_Load(object sender, EventArgs e) { string sql = "select * from Data"; DataTable dt = SqliteDB.SqlTable(sql); if (dt == null) { return; } FillTreeView(dt, treeView1); }
private void treeView1_DoubleClick(object sender, EventArgs e) { string Name = treeView1.SelectedNode.Name; string Text = treeView1.SelectedNode.Text; if (Name == "root") { return; } string PreText = treeView1.SelectedNode.Parent.Text; string sql = "select Content from Data where Category = '" + PreText + "' and Item = '" + Text + "'"; DataTable dt = SqliteDB.SqlTable(sql); richTextBox1.Text = dt.Rows[0][0].ToString(); }