Introduction

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Introduction

There are two ways to insert rows of data using ExcelWriter:

• ExcelTemplate's #ExcelTemplate.BindData method
• ExcelApplication's #Worksheet.ImportData method

ExcelTemplate.BindData

When data is imported into a template file that contains data markers with ExcelTemplate.BindData (API Reference), the following is true:

• ExcelWriter inserts a brand new row for each row of data in the data source.
• Content in the cells below the data markers will be pushed down as the new rows are added.
• Styles and formatting in the data marker row will be copied for each new row.
• Formulas that reference the data marker row will be updated to reflect the newly inserted rows.

For example, we start with a simple template file that contains data markers:

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Here is the template after it has been populated with data:

Below is a break down of what was affected when the data was imported.

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After the data is imported, these rows are moved from rows 4 and & 5, to rows 7 and & 8.

Formatting on the data marker row

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Before/After 'SUM' formula:

Before/After formula:

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Worksheet.ImportData

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When data is imported into a worksheet using ExcelApplication's Worksheet.ImportData (API Reference), the following is true:

• ExcelWriter does NOT insert new rows

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• .
• Values and formulas

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• can overwritten by the new values.
• Formulas referencing the cells with the new data are not updated

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• Formatting is not applied to the cells containing the new values.

For example, we take the same template, but remove the data markers:

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