I want to insert values into excel cell using vsto I write code on user control button but it is giving error

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I want to insert values into excel cell using vsto I write code on user control button but it is giving error

What I have tried:

private void btnGetExcl_Click(object sender, EventArgs e)
       {

Excel.Worksheet activeSheet = ((Excel.Worksheet)Application.ActiveSheet);
                      activeSheet.Cells[0, 0] = text;

}

here for

Application

it is giving Error

a

Severity	Code	Description	Project	File	Line	Suppression State
Error	CS0104	'Application' is an ambiguous reference between 'Microsoft.Office.Interop.Excel.Application' and 'System.Windows.Forms.Application'	ExcelAddIn1	D:\VSTO_Vinayak\ExcelAddIn1\ExcelAddIn1\UserControl1.cs	213	Active

Posted 21-Mar-18 3:42am

paul_vin

Updated 21-Mar-18 3:59am

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#realJSOP · Answer 1 · 2018-03-21T04:00:00

The compiler cannot determine which Application object you want to use, so you have to specify the fully qualified namespace. Try it this way:

C#

Excel.Worksheet activeSheet = ((Excel.Worksheet)(Microsoft.Office.Interop.Excel.Application.ActiveSheet));

Learn how to use google. Answers to your questions can be easily found, and is faster than asking a question on a forum, and waiting for a suitable answer. I'm not saying this because I'm tired of answering your questions. I'm saying this because debugging and using google are the two MOST important skills you can use to develop your code faster.