/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(BookShop.Model.UserManager model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update UserManager set ");
strSql.Append("UserId=@UserId,");
strSql.Append("UserName=@UserName,");
strSql.Append("UserPwd=@UserPwd");
strSql.Append(" where ");
SqlParameter[] parameters =
{
new SqlParameter("@UserId", SqlDbType.Int, 4),
new SqlParameter("@UserName", SqlDbType.NVarChar, 50),
new SqlParameter("@UserPwd", SqlDbType.VarChar, 20)
};
parameters[0].Value = model.UserId;
parameters[1].Value = model.UserName;
parameters[2].Value = model.UserPwd;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public BookShop.Model.UserManager DataRowToModel(DataRow row)
{
BookShop.Model.UserManager model = new BookShop.Model.UserManager();
if (row != null)
{
if (row["UserId"] != null && row["UserId"].ToString() != "")
{
model.UserId = int.Parse(row["UserId"].ToString());
}
if (row["UserName"] != null)
{
model.UserName = row["UserName"].ToString();
}
if (row["UserPwd"] != null)
{
model.UserPwd = row["UserPwd"].ToString();
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public BookShop.Model.UserManager GetModel()
{
//该表无主键信息，请自定义主键/条件字段
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 UserId,UserName,UserPwd from UserManager ");
strSql.Append(" where ");
SqlParameter[] parameters =
{
};
BookShop.Model.UserManager model = new BookShop.Model.UserManager();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
