insert data into data grid cell

See more:

WPF

hi all,

i'm new in wpf and i want to create a datagrid that i can insert data from text box to a specific cell.
ex. if i have the data 1,2,3,4 i want to insert :
1 to cell (1,1)
2 to cell (1,2)
etc...

i know that i will have to create a splitter to the text (this is easy..)

can someone help me please????