HYAppFrame数据库开发入门（ASP.NET Web Service）

标签：.net开源   web service   c#   

HYAppFrame项目地址：https://sourceforge.net/u/chinahysoft/profile/

1.    服务器端数据库操作
HYAppFrame服务器端通过ASP.NET Web Service连接数据库。

数据库连接配置
在文件Web.config配置数据库，需设置数据库服务器地址Data Source、数据库名称Initial Catalog、访问帐号User Id、访问密码Password等。dbName不需修改。

<connectionStrings>
    <add name="dbName"
      connectionString="Data Source=localhost;Initial Catalog=hyappframe;Integrated Security=False;User Id=sa;Password=123456;"/>
</connectionStrings>

public static SqlConnection OpenDatabase(string connString)
{
    SqlConnection conn = new SqlConnection();
    try
    {
        conn.ConnectionString = connString;
        conn.Open();
    }
    catch (Exception ex)
    {
        Log("Open database error:" + ex.Message + "\r\n" + ex.StackTrace);
    }
    return conn;
}

public int ExecNoneQueryBySql(string sql, DataTable paras)
{
    if (!IsLogin())
        return -100;
    SqlConnection conn = MyFuncLib.OpenDatabase(MyFuncLib.connString);
    int result = 0;
    try
    {
        sql = DES.Decrypt(sql, MyFuncLib.passwordKey);
        SqlCommand comd = new SqlCommand();
        comd.CommandTimeout = 1800;
        comd.Connection = conn;
        comd.CommandText = sql;
        comd.Parameters.Clear();
        if (paras != null)
        {
            foreach (DataRow row in paras.Rows)
            {
                comd.Parameters.AddWithValue(MyFuncLib.Dtv(row, "name", string.Empty), MyFuncLib.Dtv(row, "value", string.Empty));
            }
        }
        result = comd.ExecuteNonQuery();
    }
    catch (Exception ex)
    {
        MyFuncLib.Log(ex.Message + "\r\n" + ex.StackTrace);
        result = -1;
    }
    finally
    {
        MyFuncLib.CloseDatabase(conn);
    }
    return result;
}

[WebMethod(EnableSession = true)]
public DataTable ExecQueryByNamed(string queryName, DataTable paras)

DataTable sqlParams = new DataTable("sqlParametersDataTable");
sqlParams.Columns.Add(new DataColumn("name", System.Type.GetType("System.String")));
sqlParams.Columns.Add(new DataColumn("value", System.Type.GetType("System.String")));
DataRow dRow;
foreach (ListItem item in paras)
{
    dRow = sqlParams.NewRow();
    dRow["name"] = item.Name;
    dRow["value"] = item.Value;
    sqlParams.Rows.Add(dRow);
}
dt = MyFuncLib.WS.ExecQueryBySql(DES.Encrypt(sql, MyFuncLib.PasswordKey), sqlParams);

string sql = "select 1";
string str = MyFuncLib.DBCommandExecScalarBySql(sql, null);

string sql = "select 1 from yourtable where ID_ = @id";
ArrayList sqlParams = new ArrayList();
sqlParams.Add(new ListItem("@id", 1));
string str = MyFuncLib.DBCommandExecScalarBySql(sql, sqlParams);

HYAppFrame数据库开发入门（ASP.NET Web Service）

标签：.net开源   web service   c#   

原文地址：http://blog.csdn.net/daiqianjie/article/details/44180119