Instructions for Fixing Errors: Error Converting Data Type Varchar to Bigint

Introduction

Errors are a common occurrence in programming, and they can be frustrating to deal with. One of the most common errors that developers encounter is the “Error converting data type varchar to bigint” error. This error occurs when a value that is stored as a string (varchar) is being converted to a numeric value (bigint), but the conversion fails. In this article, we will discuss the causes of this error and provide step-by-step instructions for fixing it.

Causes of the Error

There are several reasons why the “Error converting data type varchar to bigint” error may occur. Some of the most common causes include:

1. Incorrect Data Type

One of the most common causes of this error is an incorrect data type. If the data type of the column in the database is set to bigint, but the value being inserted is a string (varchar), the conversion will fail, resulting in the error.

2. Invalid Characters

Another common cause of this error is invalid characters in the string being converted. If the string contains characters that are not numeric, the conversion will fail, resulting in the error.

3. Truncated Values

If the value being inserted is too large for the column in the database, it may be truncated, resulting in the error.

Fixing the Error

Now that we have discussed the causes of the “Error converting data type varchar to bigint” error, let’s look at how to fix it.

1. Check the Data Type

The first step in fixing this error is to check the data type of the column in the database. If the data type is set to bigint, but the value being inserted is a string (varchar), you will need to change the data type of the column to varchar.

2. Remove Invalid Characters

If the string being converted contains invalid characters, you will need to remove them before attempting the conversion. You can do this by using the REPLACE function in SQL.

3. Increase the Column Size

If the value being inserted is too large for the column in the database, you will need to increase the size of the column. You can do this by using the ALTER TABLE statement in SQL.

4. Use the TRY_CONVERT Function

If none of the above solutions work, you can try using the TRY_CONVERT function in SQL. This function attempts to convert the value to the specified data type and returns NULL if the conversion fails.

Conclusion

In conclusion, the “Error converting data type varchar to bigint” error can be frustrating to deal with, but it is easily fixable. By following the steps outlined in this article, you can quickly identify the cause of the error and fix it. Remember to always check the data type, remove invalid characters, increase the column size, and use the TRY_CONVERT function if necessary. With these tips, you can avoid this error in the future and ensure that your code runs smoothly.

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1.Error converting data type varchar – sql – Stack Overflow

Descriptions: OK. I finally created a view that works: SELECT TOP (100) PERCENT id, CAST(CASE WHEN IsNumeric(MyCol) = 1 THEN MyCol ELSE NULL END AS bigint) AS MyCol FROM …
Website : https://stackoverflow.com/questions/1237784/error-converting-data-type-varchar

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Descriptions: First attempt is to replace CAST in the final SELECT with TRY_CAST. If you don’t get back any NULL values, you are fine. If you get back NULL …
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Descriptions: Figured it out. Simple. Just cast( [value] as varchar(20) ) in all cases where the value is not already a string.
Website : https://social.msdn.microsoft.com/Forums/sqlserver/en-US/818824f6-3537-4724-a41c-a1f95162d294/how-to-fix-error-converting-data-type-varchar-to-bigint%3Fforum%3Dtransactsql

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Descriptions: Hi, First of all, never ever use SQL code this way, this will open up a big hole for SQL Injections (http://en.wikipedia.org/wiki/SQL_injection …
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Website : https://database.guide/fix-msg-8114-error-converting-data-type-varchar-to-numeric-in-sql-server/

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Website : https://forums.sqlteam.com/t/error-converting-data-type-varchar-to-bigint/11694

8.Help resolve “Error converting data type nvarchar to BIGINT”

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Website : https://www.outsystems.com/forums/discussion/68924/help-resolve-error-converting-data-type-nvarchar-to-bigint/

9.SQL Server – Error converting data type nvarchar to bigint – Intellipaat

Descriptions: 1 Answer … Normally when I am getting this error, it is because there is whitespace on the front or end of the column. Here is how to fix it. … WHERE users.
Website : https://intellipaat.com/community/64339/sql-server-error-converting-data-type-nvarchar-to-bigint

10.Error in conversion bigint to varchar SQL – Salesforce Stack Exchange

Descriptions: Your query is failing because you are trying to store varchar data into a field which has Int/BigInt as a datatype. Do check your Data …
Website : https://salesforce.stackexchange.com/questions/399885/error-in-conversion-bigint-to-varchar-sql

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