
osvaldo.amor...
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Editar soma do SQL no Visual Studio
#1 Por osvaldo.amor...
04/03/2014 - 20:06
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
namespace WebApplication5
{
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
SqlConnection conexao = new SqlConnection(@"Data Source= Server Name; initial Catalog = Base de Dados; integrated security = SSPI;"
SqlCommand cmd = conexao.CreateCommand();
cmd.CommandText = "select sum(colunaDaTabela) from teste";
try
{
conexao.Open();
SqlDataReader dr = cmd.ExecuteReader();
dr.Read();
//O value 0 representa a coluna retornada da consulta, que nesse caso é a primeira
TextBox1.Text = dr[0].ToString();
}
catch (SqlException ex)
{
Response.Write(ex);
}
finally
{
conexao.Close();
}
}
}
}