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[英]How can I get the total number of certain text in my `GridView` and display in a label?
[英]how can i add totalresults to my response ? here is my code . it returns the results as intended but i want to get total result number
public async Task<IReadOnlyList<T>> GetPagedReponseAsync(int pageNumber, int pageSize)
{
var result = await _dbContext
.Set<T>()
.Skip((pageNumber - 1) * pageSize)
.Take(pageSize)
.AsNoTracking()
.ToListAsync();
return result;
}
结果包含预期的分页数据,但如何返回结果总数和响应数据?
您可以创建包含您的项目 + 其他数据(如项目计数)的特定响应 object。 对项目计数 + 项目请求本身进行数据库请求。 例如:
public class PagedResponse<T>
{
public PagedResponse(IReadOnlyCollection<T> items, int count)
{
Items = items;
TotalCount = count;
}
public IReadOnlyCollection<T> Items { get; }
public int TotalCount { get; }
}
public async Task<PagedResponse<T>> GetPagedReponseAsync<T>(int pageNumber, int pageSize) where T : class
{
var count = await _dbContext.Set<T>().CountAsync();
var result = await _dbContext
.Set<T>()
.Skip((pageNumber - 1) * pageSize)
.Take(pageSize)
.AsNoTracking()
.ToListAsync();
return new PagedResponse(result, count);
}
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