通过本文主要向大家介绍了c#dataset用法,c#dataset,c#中dataset用法,c#中dataset,c#遍历dataset等相关知识,希望对您有所帮助,也希望大家支持linkedu.com www.linkedu.com
使用C#在不借助第三方插件的情况下将Excel中的数据转换成DataSet
/// <summary>
/// EXCEL数据转换DataSet
/// </summary>
/// <param name="filePath">文件全路径</param>
/// <param name="search">表名</param>
/// <returns></returns>
private DataSet GetDataSet(string fileName)
{
string strConn = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + fileName + ";Extended Properties='Excel 12.0;HDR=Yes;IMEX=1';";
OleDbConnection objConn = null;
objConn = new OleDbConnection(strConn);
objConn.Open();
DataSet ds = new DataSet();
//List<string> List = new List<string> { "收款金额", "代付关税", "垫付费用", "超期", "到账利润" };
List<string> List = new List<string> { };
DataTable dtSheetName = objConn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { null, null, null, "TABLE" });
foreach (DataRow dr in dtSheetName.Rows)
{
if (dr["Table_Name"].ToString().Contains("$") && !dr[2].ToString().EndsWith("$"))
{
continue;
}
string s = dr["Table_Name"].ToString();
List.Add(s);
}
try
{
for (int i = 0; i < List.Count; i++)
{
ds.Tables.Add(List[i]);
string SheetName = List[i];
string strSql = "select * from [" + SheetName + "]";
OleDbDataAdapter odbcCSVDataAdapter = new OleDbDataAdapter(strSql, objConn);
DataTable dt = ds.Tables[i];
odbcCSVDataAdapter.Fill(dt);
}
return ds;
}
catch (Exception ex)
{
return null;
}
finally
{
objConn.Close();
objConn.Dispose();
}
}
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