C#.NET Excel Issue in object

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C#

MS-Excel

Hi all,

I got an issue about Excel in c#.net. my application is simple read data from excel and put into the sql dbase. i developed with vb.net. there is no issue. but when i change to c#.net i faced an issue about object variable. my vb.net code is here:

Dim obj as Object

For intInc as integer=2 to xlRange.Rows.Count
       obj = xlRange.Cells(i,1)
       Dim strValue as string = obj.value       
       SaveInDbase(strValue)
Next

but when i change to c#.net. the object don't have .value. so how should i take value from object variable.my c# code is here:

Object obj=null;
for (int i=1;i<xlrange.rows.count;i++){>
        obj = xlRange.Cells[i,1];                
        String strValue = obj.value;
        SaveInDbase(strValue);
}

i also put obj.ToString(),obj as string,(string)obj. but still cannot work. i got "System.__comobject" only :(

please help me and give me suggestion , thanks in advance.