VB.net Datagridview，将组合框与不同的数据源绑定

Question

我很难弄清楚如何在我的 datagridview 的每个组合框中的每一行中将项目与数据源绑定。
基本上，我有 3 列，第一行和第二行是文本，而第三行是组合框。
第一行是question category
第二行是question
第三行是answer for each question

答案因问题而异，这就是答案设置为组合框的原因。

这是我到目前为止所得到的......

For Each question As CRM.Domain.Entities.CampaignDB.CampaignQuestion In questions
    'get question category
    questionCategoryStr = questionCategory.Find(Function(column) column.QuestionCategoryId = question.QuestionCategoryId)
    'filter the answers
    answerStr = answers.FindAll(Function(column) column.CampaignQuestionId = question.CampaignQuestionId)

     Dim dgvcc As New DataGridViewComboBoxCell
     With dgvcc
         .DataSource = answerStr
         .ValueMember = "CampaignAnswerId"
          .DisplayMember = "Answer"
     End With

     'this will only add rows with question category and the question, 
     dgvSurveyQuestions.Rows.Add(questionCategoryStr.CategoryName, question.Question)
     'however, if I do this
     dgvSurveyQuestions.Rows.Add(questionCategoryStr.CategoryName, question.Question, dgvcc)
     'it throws an error "Datagridview Default Error Dialog"
Next

Answer 1

哈哈，好吧，我明白了..

 dgvSurveyQuestions.Rows.Add(questionCategoryStr.CategoryName, question.Question)
 dgvSurveyQuestions.Item(2, rowIndex) = dgvcc

rowIndex 是一个计数器，从零开始，随着循环的进行而递增。