private void BtnAltAluno_Click_1(object sender, EventArgs e)
        {
            var           matsel       = this.dtGrdMat.CurrentRow.Cells[0].Value.ToString();
            formAluno     formAlunoAlt = new formAluno();
            StringBuilder cQuery       = new StringBuilder();

            cQuery.Append("SELECT *, Convert(datetime,datamat) AS DATAMAT, Case WHEN tipoplano = '1' THEN '1 - Mensal' Else '2 - Anual' END AS PLANO FROM aluno WHERE idAluno = '" + matsel + "' ");
            Database.engineDb conn1 = new Database.engineDb();
            DataSet           ds    = conn1.RetornaDataSet(cQuery.ToString());

            formAlunoAlt.mskID.Text          = ds.Tables[0].Rows[0].ItemArray[0].ToString();
            formAlunoAlt.txtNome.Text        = ds.Tables[0].Rows[0].ItemArray[1].ToString();
            formAlunoAlt.txtCPF.Text         = ds.Tables[0].Rows[0].ItemArray[2].ToString();
            formAlunoAlt.txtRG.Text          = ds.Tables[0].Rows[0].ItemArray[3].ToString();
            formAlunoAlt.cmbUF.Text          = ds.Tables[0].Rows[0].ItemArray[4].ToString();
            formAlunoAlt.txtCidade.Text      = ds.Tables[0].Rows[0].ItemArray[5].ToString();
            formAlunoAlt.txtCEP.Text         = ds.Tables[0].Rows[0].ItemArray[6].ToString();
            formAlunoAlt.txtBairro.Text      = ds.Tables[0].Rows[0].ItemArray[7].ToString();
            formAlunoAlt.txtEndereco.Text    = ds.Tables[0].Rows[0].ItemArray[8].ToString();
            formAlunoAlt.dtMatricula.Text    = ds.Tables[0].Rows[0].ItemArray[12].ToString();
            formAlunoAlt.txtPlano.Text       = ds.Tables[0].Rows[0].ItemArray[13].ToString();
            formAlunoAlt.dtMatricula.Enabled = false;
            formAlunoAlt.txtPlano.Enabled    = false;
            formAlunoAlt.ShowDialog();
        }
        private void BtnIncAluno_Click(object sender, EventArgs e)
        {
            formAluno     formAlunoInc = new formAluno();
            StringBuilder cQuery       = new StringBuilder();

            cQuery.Append("SELECT MAX(idAluno) + 1 as ID FROM aluno");
            Database.engineDb conn1 = new Database.engineDb();
            DataSet           ds    = conn1.RetornaDataSet(cQuery.ToString());

            formAlunoInc.mskID.Text = ds.Tables[0].Rows[0].ItemArray[0].ToString();
            formAlunoInc.txtNome.Clear();
            formAlunoInc.txtCPF.Clear();
            formAlunoInc.txtRG.Clear();
            //formAlunoInc.cmbUF.Items();
            formAlunoInc.txtCidade.Clear();
            formAlunoInc.txtCEP.Clear();
            formAlunoInc.txtBairro.Clear();
            formAlunoInc.txtEndereco.Clear();
            //formAlunoInc.dtMatricula
            //formAlunoInc.txtPlano.Clear();
            formAlunoInc.inserir = true;
            formAlunoInc.ShowDialog();
        }