質問編集履歴
1
コメントにソースコードを記入しにくかったため質問に追記しました
test
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File without changes
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test
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@@ -33,3 +33,51 @@
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33
33
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End If
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34
34
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35
35
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```
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36
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+
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37
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38
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39
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追記）
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40
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41
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回答を参考に汎用メソッドを作ってみました。
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42
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+
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43
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こんな感じでしょうか？
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44
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45
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46
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47
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```lang-vb
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48
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49
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''呼び出し
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50
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51
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Dim a As Integer = GetValue(ds.DataTable1(0), "DataColumn1")
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52
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53
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54
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55
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''汎用メソッド
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56
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57
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Public Function GetValue(ByVal row As DataRow, ByVal colnm As String) As Object
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58
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59
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Dim dt As DataTable = row.Table
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60
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61
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Dim col As DataColumn = dt.Columns(colnm)
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62
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63
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If IsDBNull(row(col.ColumnName)) Then
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64
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65
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If col.DataType Is GetType(String) Then
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66
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67
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Return Nothing
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68
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69
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Else
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70
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71
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Return 0
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72
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73
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End If
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74
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75
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Else
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76
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77
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Return row(col.ColumnName)
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78
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79
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End If
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80
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81
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End Function
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82
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83
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```
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