/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Mail_Test.Model.member model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update member set ");
strSql.Append("username=@username,");
strSql.Append("useremail=@useremail,");
strSql.Append("usergroup=@usergroup");
strSql.Append(" where id=@id");
SqlParameter[] parameters =
{
new SqlParameter("@username", SqlDbType.VarChar, 50),
new SqlParameter("@useremail", SqlDbType.VarChar, 100),
new SqlParameter("@usergroup", SqlDbType.Int, 4),
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = model.username;
parameters[1].Value = model.useremail;
parameters[2].Value = model.usergroup;
parameters[3].Value = model.id;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(Mail_Test.Model.member model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into member(");
strSql.Append("username,useremail,usergroup)");
strSql.Append(" values (");
strSql.Append("@username,@useremail,@usergroup)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@username", SqlDbType.VarChar, 50),
new SqlParameter("@useremail", SqlDbType.VarChar, 100),
new SqlParameter("@usergroup", SqlDbType.Int, 4)
};
parameters[0].Value = model.username;
parameters[1].Value = model.useremail;
parameters[2].Value = model.usergroup;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
private void makemember(int i)
{
Mail_Test.Model.member model = new Mail_Test.Model.member();
model.usergroup = 0;
model.username = GenerateRandomString(8);
model.useremail = getmail(i);
new Mail_Test.BLL.member().Add(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Mail_Test.Model.member DataRowToModel(DataRow row)
{
Mail_Test.Model.member model = new Mail_Test.Model.member();
if (row != null)
{
if (row["id"] != null && row["id"].ToString() != "")
{
model.id = int.Parse(row["id"].ToString());
}
if (row["username"] != null)
{
model.username = row["username"].ToString();
}
if (row["useremail"] != null)
{
model.useremail = row["useremail"].ToString();
}
if (row["usergroup"] != null && row["usergroup"].ToString() != "")
{
model.usergroup = int.Parse(row["usergroup"].ToString());
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Mail_Test.Model.member GetModel(int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 id,username,useremail,usergroup from member ");
strSql.Append(" where id=@id");
SqlParameter[] parameters =
{
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = id;
Mail_Test.Model.member model = new Mail_Test.Model.member();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
