[英]C# converted from VB doesn't work
我使用代码转换器从VB转到C#,但在C#中遇到错误。 具体来说, Item
和string.join(",", Flop.ToArray)
。 错误说,它不包含一个定义item
,但它在VB中的作品。
VB
Dim Flop As New List(Of String)
For x As Integer = 0 To Dataset9.Tables(0).Rows.Count - 1 'ROWS
Flop.Add(Dataset9.Tables(0).Rows(x).Item("Id"))
Next
strAllRoleNames = String.Join(",", Flop.ToArray)
C#
List<string> Flop = new List<string>();
for (int x = 0; x <= Dataset9.Tables[0].Rows.Count - 1; x++)
{
Flop.Add(Dataset9.Tables[0].Rows[x].Item["Id"]);
}
strAllRoleNames = string.Join(",", Flop.ToArray);
尝试这个:
List<string> Flop = new List<string>();
for (int x = 0; x <= Dataset9.Tables[0].Rows.Count - 1; x++)
{
Flop.Add(Dataset9.Tables[0].Rows[x]["Id"].ToString());
}
strAllRoleNames = string.Join(",", Flop.ToArray());
他们在这里缺少的三个钥匙
尝试...
Flop.Add(Dataset9.Tables[0].Rows[x]["Id"].ToString());
ToArray是一个method()
List<string> Flop = new List<string>();
for (int x = 0; x <= Dataset9.Tables[0].Rows.Count - 1; x++)
{
Flop.Add(Dataset9.Tables[0].Rows[x]["Id"]);
}
strAllRoleNames = string.Join(",", Flop.ToArray());
您可以尝试以更简洁的方式尝试以下操作:
strAllRoleNames = string.Join(",", Dataset9.Tables[0].AsEnumerable()
.Select(C => Convert.ToString(C["Id"]))
.ToArray());
尝试以下更改:
Dataset9.Tables[0].Rows[x].Item["Id"] => Dataset9.Tables[0].Rows[x]["Id"]
Flop.ToArray => Flop.ToArray()
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