Saving data to a text file and loading it into a datagrid in C#
I need to Pass some data to a 开发者_StackOverflowtext file and save that text file in a SQL Server 2005 database.
Then I'll need to be able to load that textfile into a C# WinForms DataGrid.
How do I do that in C#?
Why not read the data from the SQL Server into the datagrid instead of reading it from the text file? Loading data from a database into a grid should be easy straight out of the box.
Take a look at this tutorial:
This tutorial demonstrates how to use the Xilytix TFieldedText component to read a CSV file and place the headings and records into a .NET WinForms DataGrid.
It's not clear from your question where the data begins, or why you need the text file. However, I will answer one of your points. There are lots of ways to read a text file. This is how I usually do it:
First, write out a file with the schema
using (StreamWriter sw = new StreamWriter(sPath + @"\schema.ini"))
{
sw.WriteLine("[" + sFile + "]");
sw.WriteLine("ColNameHeader=False");
sw.WriteLine("Format=FixedLength");
sw.WriteLine("Col1=CO_ID Text Width 2");
sw.WriteLine("Col2=AGENCY_CD Text Width 10");
// lines for additional columns here
sw.Close();
sw.Dispose();
}
Then read the data to a DataSet using ODCB.
string cs = @"Driver={Microsoft Text Driver (*.txt; *.csv)};DBQ=" + sPath;
OdbcConnection cn = new OdbcConnection(cs);
string q = @"select * from [" + sNewFN + "]";
OdbcDataAdapter da = new OdbcDataAdapter(q, cn);
da.Fill(ds, "MyTable");
The table ds.Tables["MyTable"] is the DataSource for the DataGrid
There is info about this method here:
http://msdn.microsoft.com/en-us/library/ms714091%28v=VS.85%29.aspx
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