private void bt_entrar_Click(object sender, EventArgs e)
{
this.Close();
//frm_dashboard dash = new frm_dashboard();
//dash.Show();
frm_main control = new frm_main();
String form = "frm_dashboard";
frm_dashboard db = new frm_dashboard();
if (control.formAberto(form))
{
Application.OpenForms[form].BringToFront();
}
else
{
//control.abrirForm(db, frm_main.opened);
}
}
public void montarResultado(string query, DataGridView dgv)
{
// INSTANCIANDO UMA NOVA CONEXAO
SqlConnection conn = Conexao.obterConexao();
try
{
SqlCommand retorno = new SqlCommand(query, conn);
SqlDataReader row = retorno.ExecuteReader();
// CRIANDO UM E POPULANDO UM DATATABLE COM O RETORNO DA QUERY
DataTable tabela = new DataTable();
tabela.Load(row);
// CONTANDO O TOTAL DE LINHAS DO RETORNO PARA O VALOR MAXIMO DA PROGRESSBAR
int rows = tabela.Rows.Count;
// LAÇO DA TABELA
using (SqlDataReader DR = retorno.ExecuteReader())
{
dgv.Columns.Clear();
dgv.Rows.Clear();
// SE A CONSULTA RETORNAR LINHAS
if (DR.HasRows)
{
frm_main form = new frm_main();
// Get field information.
DataTable schema = DR.GetSchemaTable();
int field_num = 0;
foreach (DataRow schema_row in schema.Rows)
{
// Create the column.
int col_num = dgv.Columns.Add(field_num.ToString(), schema_row.Field <string>("ColumnName"));
field_num++;
// Make the column size to fit its data.
dgv.Columns[col_num].AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;
}
// Make room to hold a row's values.
object[] values = new object[DR.FieldCount];
// Loop while the reader has unread data.
while (DR.Read())
{
// Add this row to the DataGridView.
DR.GetValues(values);
dgv.Rows.Add(values);
}
// ENQUANTO HOUVER LEITURA NAS LINHAS DO RETORNO
/*while (DR.Read())
* {
*
*
* //tabela.Columns.Add(DR[""].ToString, typeof(String));
* // LAÇO PARA LER AS COLUNAS DA LINHA
* for (int i = 0; i < DR.FieldCount; i++)
* {
*
* MessageBox.Show(DR[i] + "\t", "");
* }
*
* }*/
}
}
}
catch (Exception ex)
{
MessageBox.Show("Erro ao exportar o arquivo \n\nDetalhe do erro: " + ex.Message);
}
}
