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In a textbox I have to write a name that is in the database, when clicking the button has to load data in the gridview, then I added the textbox. I have the following query, I have to display the records in a gridview but I mark this error, "The input string is not formatted correctly."

I have parameters in string and an integer

AppData.DataSet1TableAdapters.PS_USR_ConsultaExternaTableAdapter adapter =   new AppData.DataSet1TableAdapters.PS_USR_ConsultaExternaTableAdapter();

adapter.GetData("", "", "", int.Parse(this.TextBox1.Text));
this.gvbuscar.DataSource = adapter.GetData("", "", "", int.Parse(this.TextBox1.Text));
this.gvbuscar.DataBind();
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  • int.Parse is throwing the FormatException because this.TextBox1.Text cannot be converted to an int. Could happen if the text was empty or invalid like "abc".
    – Igor
    Commented Dec 7, 2016 at 20:00
  • 2
    Possible duplicate of Input string was not in a correct format
    – Igor
    Commented Dec 7, 2016 at 20:01
  • You need to ensure that there is a check to allow only integers in the text box.
    – TheFallenOne
    Commented Dec 7, 2016 at 20:04
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