在 C# 中,如何使用 OLEDB(不使用自动化)访问 Excel 标头?
这是我的代码,我试图访问第一行第一列
string connectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;
Data Source=" + fileName + @";Extended Properties=""Excel 8.0;HDR=NO;""";
string CreateCommand = "SELECT * FROM [Sheet1$]";
OleDbConnection conn = new OleDbConnection(connectionString);
conn.Open();
OleDbCommand cmd = new OleDbCommand(CreateCommand, conn);
// cmd.ExecuteNonQuery();
DbDataReader dr= cmd.ExecuteReader();
int i = 0;
while (dr.Read())
{
string ab = dr.GetValue(i).ToString();
MessageBox.Show(ab);
i++;
}
This is my code where I am trying to access first row, first column
string connectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;
Data Source=" + fileName + @";Extended Properties=""Excel 8.0;HDR=NO;""";
string CreateCommand = "SELECT * FROM [Sheet1$]";
OleDbConnection conn = new OleDbConnection(connectionString);
conn.Open();
OleDbCommand cmd = new OleDbCommand(CreateCommand, conn);
// cmd.ExecuteNonQuery();
DbDataReader dr= cmd.ExecuteReader();
int i = 0;
while (dr.Read())
{
string ab = dr.GetValue(i).ToString();
MessageBox.Show(ab);
i++;
}
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您尝试过 HDR=YES 吗? 这就是告诉 OLEDB 提供程序您确实有标题行的原因。
http://connectionstrings.com/excel
Did you try HDR=YES ? That's what tells the OLEDB provider that you do have a header row.
http://connectionstrings.com/excel
您不想设置 HDR=No 吗?
告诉 OLEDB 提供程序第一行包含标头将导致提供程序使用标头作为字段的名称。 (我正在考虑将信息转储到数据表中,然后您将获得信息@ DataTable.Columns["[HEADER]"].Row...)
因为您使用的是简单的数据读取器,并且您想要要读取为数据的“标头”字段,指定这些不是标头。
Wouldn't you want to set the HDR=No?
Telling the OLEDB provider that the first row contains headers will cause the provider to use the headers as the names for the fields. (I'm thinking about dumping the info into a datatable, after which you get the information @ DataTable.Columns["[HEADER]"].Row....)
Since you're using a simple data reader, and you want the "header" fields to be read as data, specify that these are not headers.
我一直使用 GetSchema 的内置函数来枚举工作表和标题。 这真的很圆滑,没有废话。 祝你好运!
I've always used the built in functions of GetSchema to enumerate Sheets and Headers. It's really quite slick and no non-sense. Good Luck!
我遇到了不同的问题,但能够访问 Excel 数据的第一行并通过此 OleDBAdapter Excel QA 我通过堆栈溢出发布。
如果您尝试访问第一行第一列,只需根据我提到的帖子填充数据集并添加到底部:
I had a different problem, but was able to access the first row of Excel data and remove it via this OleDBAdapter Excel QA I posted via stack overflow.
If you are trying to access first row, first column, just populate a dataset per the post I mentioned and add to the bottom: