code:
public DataTable TXTToDataTable(string fileName, string columnName)
{
DataTable dt = new DataTable();
FileStream fs = new FileStream(fileName, System.IO.FileMode.Open, System.IO.FileAccess.Read);
StreamReader sr = new StreamReader(fs, System.Text.Encoding.Default);
//Record the line read each time
string strLine = "";
//record the content of each field in each line of the record
string[] aryLine;
//Mark the number of columns
int columnCount = 0;
//indicate whether it is the first line read
bool IsFirst = true;
if (IsFirst == true)
{
//strLine = "ATTENDANCE_DATE,EMP,ATTENDANCE_DEPT,EMP_TYPE,SHITF,PLANT_CODE";
strLine = columnName;
aryLine = strLine.Split(',');
IsFirst = false;
columnCount = aryLine.Length;
//create raw
for (int i = 0; i < columnCount; i++)
{
DataColumn dc = new DataColumn(aryLine[i].ToUpper());
dt.Columns.Add(dc);
}
}
//Read the data in txt line by line
while ((strLine = sr.ReadLine()) != null)
{
aryLine = strLine.Split('\t');//tab
DataRow dr = dt.NewRow();
for (int j = 0; j < columnCount; j++)
{
dr[j] = aryLine[j].ToUpper();
}
dt.Rows.Add(dr);
}
sr.Close();
fs.Close();
return dt;
}
public DataTable TXTToDataTable(string fileName, string columnName)
{
DataTable dt = new DataTable();
FileStream fs = new FileStream(fileName, System.IO.FileMode.Open, System.IO.FileAccess.Read);
StreamReader sr = new StreamReader(fs, System.Text.Encoding.Default);
//Record the line read each time
string strLine = "";
//record the content of each field in each line of the record
string[] aryLine;
//Mark the number of columns
int columnCount = 0;
//indicate whether it is the first line read
bool IsFirst = true;
if (IsFirst == true)
{
//strLine = "ATTENDANCE_DATE,EMP,ATTENDANCE_DEPT,EMP_TYPE,SHITF,PLANT_CODE";
strLine = columnName;
aryLine = strLine.Split(',');
IsFirst = false;
columnCount = aryLine.Length;
//create column
for (int i = 0; i < columnCount; i++)
{
DataColumn dc = new DataColumn(aryLine[i].ToUpper());
dt.Columns.Add(dc);
}
}
//record the content of each field in each line of the record
while ((strLine = sr.ReadLine()) != null)
{
aryLine = strLine.Split('\t');//tab
DataRow dr = dt.NewRow();
for (int j = 0; j < columnCount; j++)
{
dr[j] = aryLine[j].ToUpper();
}
dt.Rows.Add(dr);
}
sr.Close();
fs.Close();
return dt;
}
The above is the C # implementation of TXT document to table example code, C # tutorial details, more about C # TXT document to table information please pay attention to