Can hashtable have duplicate keys in c#?

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What is gridview c#?

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What is the use of ienumerable?

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How can I check the type of an object at runtime?

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code to generate a excel sheet and to write data into it --- -it has to fetch the excel sheet which is in one folder placed by us inside a project folder(i,e it has to create a instance of that excel sheet) and write the data into it row by row please respond as early as possible

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Define constructor in c#.

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which datatype i have to use we i need dynamic size.for eg. empname .in first row it have only five chars.but next row it have 100 chars.

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What do u mean by delegation?

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How does return work in c#?

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3. Describe the process of interact UI to BAL n DAL?

2 Answers   Mphasis,

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Who introduced c#?

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How do I simulate optional parameters to com calls?

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